Hi xoxfletchxox
Welcome to the forum!
It sounds like you've been doing a little reading already. If so, you will know that now is the time to make a very important decision. Will you do the traditional "cycle with fish" or do the safer "fishless cycle?" Like many of the other folks who are just starting up tanks, you seem to be leaning toward doing it with fish.
Just in case you don't completely understand what you are going to be doing to make the tank habitable for fish, let me briefly explain it.
Basically you will be taking steps toward establishing a colony of "Beneficial Bacteria" that will consume the raw ammonia produced by the fish in their wastes. This ammonia is very harmful to them. The first bacteria that will arrive during cycling will begin to consume the ammonia and turn it into nitrIte in their wastes. That's harmful to fish too, but gets things ready to attract the third type of beneficial bacteria to setup housekeeping in your tank. These are the ones that consume the NitrIte and convert it to the NitrAte. This is much less harmful to fish and if the amount is kept low by doing regular partial water changes, will cause no problem at all.
The establishment of such a colony of Beneficial Bacteria is called cycling. As you can see, it can be started by using a few fish. It takes a number of weeks to complete and during this time these fish are living in a nasty environment. It's possible they might die or have their lifetime shortened because of this.
There is also a process that accomplishes the same thing, but is done without using fish, but rather by pouring ammonia into the tank and monitoring the results. Since there are no fish involved, many people find it the more humane way to go.
There is also a third way, and this is the easiest. If you have a friend with a tank, they could give you some media from their filter. This is laden with all kinds of beneficial bacteria and if you added some to your tank, you could immediately add a few fish. It would make your tank instantly cycled. After that, by adding just a few fish at a time so the bacteria could increase naturally, you would be all set.
If you choose to do the Fishless Cycle, there are a number of good members on this forum who would be happy to guide you through.
Good luck to you with your new hobby!