As far as I know there is a minimal collect of 200 dollars when you are not using PayPal as your way of transferring the money.
So that could be your problem?
The other payment methods are considered to be too expensive to transfer small amounts each month, you would lose allot in that case, so better to collect op to 200 and then get the payment.
If you add a PayPal handle in the payment section then you get paid every month, no matter how small amount you collected during that month.