Hi there cyndi15,
Thank you for reaching out about your bank connection. QuickBooks Online is a great tool able to assist you in keeping track of your sales and expenses so you can see the profitability of your company. I can provide some information about bank connections.
Depending on the error message shown when the connection is interrupted, there may be some different steps to resolve the issue. Here's an article with steps to try for bank connection errors. There are steps that are able to help with all bank errors, as well as links for steps for specific error numbers shown in the error messages. They could help resolve the issue of it disconnecting as often as it has been.
If you have any other questions, or need further assistance, feel free to reach out here.