The office/warehouse makes most sense to me, but there is also the Motorcycle Club and you can become a drug kingpin.

Decent overview here

https://www.reddit.com/r/gtaonline/comments/936rob/new_to_gta_here_is_a_guide_to_businesses/

Word on the street is that this week's property discount will be....


Nightclubs! Drat!

Looks like dat warehouse will run me full price.


Animals flee this hell, the hardest stones cannot bear it for long. Only men endure