Owning reptiles is a luxury that you can either afford or you can’t, if you have to get a loan from the bank to acquire 4 normal something should tell you that it is not a good idea.

How were you planning to house them, do you have 4 enclosures ready?
What if one of them get sick how will you afford the vet?

When owning a pet becomes a financial burden, than it should be re-considered.