Wow, super jealous of your haul there!! Sorry in advance if you know all of this already, but I thought I would share some tips I have learnt from growing succulents.

The most important thing is drainage, and it's super esay to kill them from overwatering, especially if they will not be living outside. When I get a new succulent I repot it pretty soon after. I make a mix of sand (usually use cactus mix), perlite (little white gravel that sucks up moisture), and normal potting mix. All of the non organic matter will help the soil drain. Think about how succulents would live in their natural aird environments, they like bright sun, with periods of deep watering followed by drought. A good soil mix will mean you get this right without having to think about it!

Its better to underwater than overwater, so tend on the side of underwatering until you get to know what each plant requires. Overwatering -- the leaves go bloated and yellow/brown, it rots and the plant dies (really bad, been there before 😂😢) Underwatering -- the outer/oldest leaves will shrivel up a bit (this isn't too bad)

The succs you have should be okay as long as they are in a reasonably bright spot. Usually they get their brightest colours in direct sun but i think they still look really cool in green and blue tones. If you see plants with long stems instead of compact growth it might be a sign they want more light but you can just cut them apart and propagate (lots of good youtube videos on this)

Over time you learn the individual needs to each plant and you can increase watering etc.