please visit
www.axolotl.org
it depends on where you live. if you just want one axie i suggest:
60x30x30 cm tank- second hand around $30
sand or river rocks- approx $10 depending on type
filter- anywhere from $15
food- approx $10 for a couple months supply
siphons, water treatments, test kits etc- approx $50
decorations- depends on the type
axie itself- anywhere from a couple of dollars
theres a on going list to what you could have, this list is only a approx guide to a start kit.
you could always pic up a whole setup from your local newspaper etc. i think my whole setup cost around $250, but my tank was super cheap ($90 for a 4 footer, the guy custom makes the out of good second hand glass)
feel free to add anything i missed out guys, im super tired