so my 3 options for Paypal with ecart are (please let me know if my assumptions are incorrect):
express - of which I need a payment gateway established already to process credit cards because this is a paypal payment button only - and it takes me off my website.
standard - which takes me off my website onto Paypal's website and is quite a few steps for the customer to check out
Pro - Keeps the customer on my website, but is $30/month fee and my transaction volume is way too low for this type of expense
That is why Advanced was attractive - it allowed the customer to stay on my site and only cost $5/month.
Will ecart become compatible with Advanced?
Is there some other payment gateway that you are compatible with that has a very low monthly fee and/or transaction only based fee?