How to find someone for advice on buying a micro Saas business?

Hi everyone,

I'm considering whether it makes sense to buy a small micro SaaS app (basically, a Shopify plugin). I have an engineering background, however, so I am not experienced in assessing whether the price the owners are asking for is good, what the "terms" should be of an offer if I get there, etc.

Any pointers would be appreciated on how to find someone that could provide some consultation services. I am not sure where to start - CPAs and lawyers feel like they're not quite what I need here (although I may need them for other parts if an offer went through).

Thanks!