How to price my domains?

I need some ideas. Sorry, there follows a lot of text

For fun and because they were cheap i bought some Domains on Blackfriday.

Basically i know the differences between TLD´s, how to research similar domains for prices, check histories, why some domains are more exp. than others etc.

I dont want to research and invest too much time in this little test (around 50 domains)

I dont want to make domain-selling to my business, i dont want to get rich, i dont wont to have the maximum price for…

How to price my domains?