Ask HN: Find a topic-specific professional to answer questions on a paid basis?

Sorry, I'm trying to make the title fairly general.

My specific situation is that I've been teaching myself 3D modeling and I've run into a wall where after doing large amounts of research (10 hours+), lots of googling, finding appropriate discords, etc I realize I need to talk to a pro and pay for their time.

Time is money, and I've passed the midpoint on time spent vs project interest. I want to finish the project, but can't spend more independent time (2 days now) trying to figure something out.

So going forward, what are HN's recommendations for finding professionals for highly specific questions where you can pay them a reasonable fee for their time?