Thank you everyone! I looked up some pictures of giants compared to "regular" bettas and WOW, they are massive
! I for one am pretty happy about the size difference, as I'm a fan of larger fish anyways (too bad my mom won't let me install that koi pond in the front yard...). I don't have any problem doing water changes, so that's cool.
I just have to save up the money to put together a nice tank and I'll be good to go! It's a pity my guppy tank got infected with TB, I had been so pleased with how the plants were growing, and the filter was perfect for a betta, not to mention that shape and size would give a Giant plenty of room.
Well, thanks for the information everyone! It's great to have all of the input to ensure I have a happy, healthy betta.