After successful installation the extension its not working.
Can I get user guide for an extension?
Can I report bug and suggestion.
Installation of extension giving 404 error.
Is your extension 100% opensource ?
What is refund policy ? how can I get my refund ?
What is your extension installation support timing.
What should I do when I have purchased installation service.
Which are the various payment methods you supports.

After successful installation the extension its not working.
Can I get user guide for an extension?
Can I report bug and suggestion.
Installation of extension giving 404 error.
Is your extension 100% opensource ?
What is refund policy ? how can I get my refund ?
What is your extension installation support timing.
What should I do when I have purchased installation service.
Which are the various payment methods you supports.