1. PVC board
   Plywood
2. 2x4
   Shiplap

A 2x4 gets its name because it's two inches thick and four inches wide. When buying 2x4s at Home Depot, you can get them cut to almost any length you want. If you're building an intricate piece of furniture and need cuts measured down to the decimal point, you may want to make them yourself.

1. MH
   LED
2. HPS
   Neon

LED stands for light-emitting diode, and LED bulbs are a lot more eco-friendly than other lights like high-pressure sodium (HPS) or metal-halide (MH) lights. They will pull a lot less wattage from your power source than other light bulbs.

1. Barn wood
   Shiplap
2. Plywood
   Pallets

Although pallets look like cheaply thrown together planks of wood, they are rather expensive to make. Because of this, Home Depot has contracts to return most of their shipping pallets, but sometimes you can find the company giving away some leftover planks for free.

1. Marble
   Granite
2. Quartz
   Tile

You can find almost any type of countertop at Home Depot, and if you want to skip the fake stuff, you can opt for a heavy slab of marble like this one. Other popular countertop options are quartz and granite.

1. Hacksaw
   Jigsaw
2. Chainsaw
   Table saw

There are at least three dozen types of saws on the market, and the jigsaw is more of a specialty saw. If you just need to cut something in half, a hacksaw will do the trick. If you need to cut puzzle pieces out of a board of wood, use a jigsaw.

1. Headphones
   Ear protectors
2. Earmuffs
   Hearing aids

You don't want to wear headphones and listen to anything distracting while working with power tools, but you might need earmuffs. These earmuffs are made to cancel noise, not to keep ears warm, so they resemble noise-canceling headphones.

1. Fertilizer
   Varnish
2. Oil
   Pest control

Many animals use urine to mark their territory, and coyote urine is terrifying to pests and rodents like skunks, raccoons and squirrels. When farming in your yard, you'll need to implement defense techniques, and this is a great way to do so.

1. Dog house
   Tool shed
2. Birdhouse
   Tree house

Some of the most expensive birdhouses in the world can cost you thousands and thousands of dollars, but at Home Depot, you'll find a wide selection under $20. If you want to splurge, you'll also find three-story, 24-room birdhouses in stock.

1. Wet vacuum
   Auger
2. Trencher
   Dry vac

It's pretty dangerous to run a normal vacuum over a puddle of water. You might electrocute yourself, or you might destroy your vacuum. You should only use a wet vac when sucking up water. Most models can also be used for dry vacuuming.

1. Paint gun
   Sander
2. Angle grinder
   Bow saw

It's near insanity to build a piece of furniture from unfinished wood and forgo the sanding process. No matter how much lacquer or varnish you use, it won't work. Wood should be sanded before being finished for the most effective results.

1. Nail gun
   Wall anchor
2. Stud finder
   Level

You can usually find wall studs just by knocking on your wall until you hear a solid sound versus a hollow sound. If you don't trust your senses, you can use this nifty product that will do the trick and find the center of the stud every time.

1. Grow tent
   Safe room
2. Sauna
   Plant house

You'll need a bit more than just a grow tent to move outdoor plants indoors, but a grow tent will help greatly. It's much easier to control heat, humidity and lighting in a small tent versus a large room.

1. Portable generator
   Surge protector
2. Wireless router
   Extension cord

Your home's electrical outlets are strategically spaced throughout your house to prevent power surges. You can't suck 10,000 watts out of the wall in the same room without tripping the circuit, but you can use an extension cord and space out your power usage.

1. Garage door opener
   Smart doorbell
2. Alarm system
   Security camera

The Internet of Things and smart homes are the trend of the 21st century, and smart doorbells are taking off. Smart doorbells are doorbells with built-in security features like cameras and speakers that allow homeowners to access the device anywhere in the world.

1. Nail gun
   Socket wrench
2. Power drill
   Screwdriver

If you don't have a single tool in your home, you can always start with a drill. A screw and drill will always secure an item better than a hammer and nail, and power drills can be used with many attachments like wrenches and drill bits, not just screwdrivers.

1. Masonry anchors
   Concrete screws
2. Toggle bolts
   Wall anchors

Not all walls have wall studs. If you can't mount into a wall stud, you need to first drill wall anchors into the wall. When you mount your item, you'll need to drill directly into the wall anchors. This ensures your mounted item is sturdy.

1. Humidifier
   Soil moisture tool
2. Hygrometer
   pH pen

Anybody with an indoor garden knows controlling relative humidity is just as important as controlling temperature. Dry environments stunt growth and damp environments cause mold and rot. You need a hygrometer to know how much water is in your air.

1. Air mattress
   Sleeping bag
2. Water bed
   Bunk bed

Home Depot sells air mattresses of all shapes and sizes. Some mattresses have built-in air pumps and others require an independent pump. Some can support just a few hundred pounds and some can support 1,000.

1. Morning glory
   San Pedro cactus
2. Sunflower
   Aloe vera

Home Depot has a wide array of real and fake plants. What plants are in stock will depend on where you're located, but aloe vera is one of the most popular house plants across the country. It's affordable, easy to grow, and offers a natural source of aloe that can be used for many purposes.

1. Cordless drill
   Nail gun
2. Caulking gun
   Glue gun

Some caulk tubes are designed so you don't need a caulking gun to get the caulk out. Other tubes require a caulk gun. If you're Hercules, you can probably squeeze the caulk out of the tube by hand, but it's not efficient.

1. Space heater
   Humidifier
2. Hygrometer
   Dehumidifier

Dehumidifiers remove humidity from the air by cooling the air down or by absorbing moisture. It sounds complicated but it works. If you have a really dry green room, it might stunt your plants, so you'll need to add a humidifier instead, which does the opposite of a dehumidifier.

1. Seagull guano
   Kelp
2. Fish bone meal
   Worm castings

Fertilizers are sold with "NPK" values listed on them. N stands for nitrogen, P stands for phosphorus and K stands for potassium. Nutrients like bat guano are high in phosphorus and are good for the late stages of the plant cycle. Castings are high in nitrogen and work great in a vegetative state.

1. Track lighting
   Suspended lighting
2. Recessed lighting
   Smart lighting

Smart lighting, like smart doorbells, are devices one can wirelessly control from a remote location. Smart lighting will give you full control over all aspects of your lighting. You can dim to whatever strength you want, and should never have to flip a light switch again.

1. Propane
   Gas
2. Charcoal
   Electric

There are many types of grills on the market like electric, propane and wood, but the charcoal grill is a classic. For grillers who want a more wood-smoked cooking experience, flavored wood chips can easily be added to any charcoal grill.

1. Scooping shovel
   Post hole digger
2. Digging shovel
   Spade

There are several shovels on the market and they all have different purposes. You can't dig a hole with a snow shovel and you can't shovel snow with a spade. A post hole digger is perfect for digging a hole for a post. The tool is two shovels that are connected by a joint.

1. Swirling Smoke
   Divine Wine
2. Night Watch
   Mayan Treasure

Maya blue was a distinct bright blue made by the Ancient Mayans. It was created through such mysterious means it has rarely been replicated. Those who try to replicate it end up making a slightly different version, like this blue paint called Mayan Treasure.

1. Telehandler
   Stump grinder
2. Mini excavator
   Trencher

Home Depot rents out almost any piece of equipment you can think of. A new mini-excavator will cost about $30,000, so if you have a project you can bang out in a day, renting it for a couple-hundred bucks is well worth it. The store also offers delivery services.

1. Fire pit
   Gazebo
2. Pergola
   Arbor

You can always build your own fire pit, but if you're unsure of the safety specifics of fire, you should consider buying one. Fire pits are built with safety as a priority. If you follow instructions, you can be sure a fire pit purchased from Home Depot will work perfectly.

1. Pressure washer
   Breaker
2. Auger
   Trencher

Pressure washers are gas or electric. The gas-powered machines are usually more powerful. Both types are extremely powerful and are strong enough to sweep away any stubborn debris you want to remove.

1. Sledgehammer
   Bush hammer
2. Upholstery hammer
   Framing hammer

Sledgehammers are large hammers designed to spread force over a wide area. If you've ever played the high-striker game at the carnival or smashed stuff in a wrecking room, you've probably used a sledgehammer.

1. Christmas tree
   Cactus
2. Oak tree
   Aloe vera

You can't buy a Christmas tree without having a Christmas tree stand, and Home Depot has plenty of those too. There's nothing like the fresh smell of pine, but if you prefer fake Christmas trees, Home Depot also has those.

1. Hygrometer
   Thermometer
2. pH pen
   Soil moisture meter

A pH pen can measure the pH of water or soil, and pH literally stands for "potential hydrogen." A neutral pH is around 7. A pH of 1 is a very acidic solution, and a pH of 10 is a basic solution. Baking soda is basic. Lemon juice is acidic.

1. Sleeping bag
   Air mattress
2. Mattress topper
   Comforter

These are ideal for college dorm rooms. It's unlikely you'll bring your own mattress to college, so this can easily be placed on top of your college mattress for a softer sleep. Mattress toppers come in all shapes and sizes.

1. Smart lock
   Smart doorbell
2. Security camera
   Safety deposit box

With a smart lock on your door, you can lock your house from a remote device anywhere you are. You can also unlock it with a code instead of a key, which adds an extra layer of security because the lock can't be picked.

1. Pipe wrench
   Allen wrench
2. Socket wrench
   Lug wrench

Almost any object that leverages torque to turn an object is a wrench, so there are dozens of wrenches on the market. A pipe wrench is a heavy-duty adjustable wrench capable of gripping into pipes of all shapes and sizes.

1. Hygrometer
   Portable generator
2. Espresso machine
   Dehumidifier

Whether you want a small stove-top espresso maker or an advanced commercial machine that can brew a dozen cups in a single touch, you'll find it at Home Depot. The prices will range from about $15 to $1,500.

1. Trencher
   Breaker
2. Cordless drill
   Nail gun

If you're hanging a painting on the wall, you can opt for a manual hammer and nail. A nail gun is one of the more dangerous tools and is usually reserved for large projects like building a house. These things pack a ton of power and can shoot 100 nails per minute.

1. Stucco
   Vinyl
2. Wallpaper
   Bricks

Whether you want to give your living room an exposed-brick look or add bamboo walls to your kitchen, you can find a wallpaper that works. It offers an easy way to add texture to any wall. You can also get untextured wallpaper.

1. Clawfoot tub
   Soaking tub
2. Whirlpool tub
   Alcove tub

Whether you want an alcove tub or a whirlpool, you'll find plenty of options at Home Depot. The freestanding clawfoot tubs are on the more expensive side, but they aren't as expensive as a whirlpool. Alcove tubs are ideal to double as a shower.

1. Reading glasses
   Safety mirror
2. Safety glasses
   UV glasses

The difference between safety glasses and goggles is that goggles enclose the entire area around your eye and glasses don't. Glasses leave unprotected space on the side of your eyes. It's best to use protective eye, ear, hand and feet gear when working with tools.