You may pay someone to create your store, or you visit our seminar and become a professional yourself with the silver certification
If you like, I can email you newer VM versions 10686/10687 for testing. But of course I don't know if those cure your problem. The VirtueMart developer (Max) still doesn't recommend using Joomla 4.x with a life shop. In a few days we will have the Joomla 4.0.2 RC and I'm pretty sure it will break some VM code again.