10 gallon tanks are not that expensive (I know where to get them for $10 all you need to get is some graval another $10 and the betta which is about 5) So a new betta usally costs about $25 I steal plants from the extablished tanks I have around they plants need more room as it is, they grow like weeds in my tanks as of late. Then I can steal some of the snails from the other tanks (those things like to breed and if I just need to speed up the process it not that hard to get snails to breed)
But if I did not buy the 3 bettas I did I would be 1/3 of the way to saving up to that 55 gallon tank I want to get, oh the pain of the decitions.