You will find that the minimum required deposit for online
casinos will be at least $20 - $25
This is due to the cost of processing the deposit, accepting
deposits lower then this would not be cost effective.
The amount of minimum deposit will also depend on the deposit
method used, an eWallet may be more or less then a ACH or Bank
Wire, and that may be more of less then a deposit using Visa or
Mastercard.