Whether you are selling on Amazon to obtain a primary income or you are selling to support your already existing business. In either case, the key is Perfect Account Health.
Consider your Amazon store account health just like your own body; the better the health the better the progress. You do not want to wait for a suspension. You should not let the money-making ASIN down. In the end, it all boils down to managing the issues that will impact your account sooner or later.
These are issues like inauthentic complaints, condition complaints, intellectual property violations, products not as described, etc.