29 gallon fish aquarium with driftwood and live rock. Plan to invest in angelfish once I have another tank for the goldfish.
Start bigger. Smaller aquariums are harder to take care of, and can turn off your hobby, but if it doesn't you'll be wanting a bigger tank anyway.
Fancytail goldfish, koi, pleco
When it comes to snails in the freshwater aquarium, not all of them are bad.
Find out which fish will rapidly outgrow your tank, and the smaller alternatives that are available.
The pet trade gets a bad rap for exploiting wild animals but sometimes the opposite is true.