My credit score is over 720, while my partner's is around 541 (on both Equifax and TransUnion), due to a collection that we've since paid.

Let them know despite repeated attempts to collect the money, it is not forthcoming and that you will be starting the eviction process for non-payment of rent...then hire an attorney who specializes in evictions and get the process started.

Keep them informed of any changes to policies, maintenance requests, or rent collection.7.

You can still put them in collections, you don't need a judgement to be put in collections. 

Using pricing tools or keeping an eye on your competitors can optimize your earnings.3.

Then I collect the deposits.

Beyond that, you'll want a reliable contractor for the rehab, a property manager to handle the rentals, and a savvy CPA to optimize your tax strategy.

I also like having my tenant vetting, lease agreements and rent collection all in one place on my dashboard through Baselane's partners.

You should only pay when revenue is collected.

Also I did a tiny bit of research and it looks like the "insider circle" is actually just a collection of lists they compile for you.