To start off, skill classes offer a base pay that is multiplied according to your tutoring sim's skill level, ranging from x1.2 at level 6 to x3 at level 10. While this system functions well for most...
Ideas
Just to confirm, this is indeed an issue now that Businesses & Hobbies is out.
Vampire Lore at Level 15 only earns $240 per hobby class attendee (and that's with the price modifier marked up 100%).
Sorry Vlad(Mac, mods removed before starting this save)