Hi Paula,
Please take a little time to learn how to find your way around the forum. We do not get notified when you post on your forum profile so we don't see your request for help. I just happened to be checking new registrations when I found it. Here's the link to help you with that
Forum Guide
When you need help with the game you need to post a request for help in
Help and Support
Regarding your problem. There was a issue when using Edge browser that would not let you buy Farm Cash. That has now been fixed. If you need further help please post in Help and Support where we will see it. Thank you