Disclaimer This is a link to my blog. Feel free to vote me down if you feel that I'm being unreasonable.
How long have you been using wordpress themes? It's pretty much DIY, paid theme or not. There's no way to get around having to fix things yourself when they break.
This is a stark contrast between the author of the Post Page Associator plugin who gives near instant support: http://dennishoppe.de/wordpress-plugins/post-page-associator
I don't expect support, but after paying, it didn't seem unreasonable to ask?