I find WA forms a bit rigid / not easy to customize
I had a request to add one line of text to a form, explaining that the payment would be via Paypal or credit card. Could not do that, had to make a workaround by putting some small ext underneath the form.
I had a request to list membership levels in order by amount on the Change Membership Form. Also could not do that.
After being spoiled by Jotform, CognitoForm, Wufoo Forms, etc I really miss the ability to have some control over the display of form fields, and the content of the form!