From the Martin Shkreli school of product pricing, I give you RealPage: https://www.propublica.org/article/yieldstar-rent-increase-realpage-rent. More or less you can subscribe to this service and “anonymously” compare your tenant leases with others in your area. Therefore it’s “NOT” collusion, or price-fixing, or gouging. Let the algorithm do the work of raising the rents.
https://www.propublica.org/article/yieldstar-rent-increase-realpage-rent
Carpet Bomberz Inc. 