If you lived in ATL, knew the market like the back of your hand, and could maintain local control over your investments there, I'd say go for it ... but you don't live in ATL, you live in LA, so my advice is invest in LA at least starting out, where you have home court advantage.

I currently have a certificate of sale, and it could be months until it is motioned in court.

If you are compliant with you minutes, filings, and no funds are transferred back and forth or commingle, you have a barrier of protection in the eyes of the court.  

I just finished purchasing my next project at the court house steps and I am working on a few more.

I just finished purchasing my next project at the court house steps and I am working on a few more.

If there were an issue (like if the seller accepted a higher offer after accepting your offer), your contract would not be enforceable in court.  

—At any time before the later of the filing of a certificate of sale by the clerk of the court or the time specified in the judgment, order, or decree of foreclosure, the mortgagor or the holder of any subordinate interest may cure the mortgagor’s indebtedness and prevent a foreclosure sale by paying the amount of moneys specified in the judgment, order, or decree of foreclosure, or if no judgment, order, or decree of foreclosure has been rendered, by tendering the performance due under the security agreement, including any amounts due because of the exercise of a right to accelerate, plus the reasonable expenses of proceeding to foreclosure incurred to the time of tender, including reasonable attorney’s fees of the creditor.

My list has held up in court as recently as last month.

They're still expected to pay rent.Immediately file for rent court for the missing rent.

it is easy to remove themJust take some guys with you and remove them by force,they won't take you to court cause they have no proof they belong in your property I would not even consider calling the police Waste of time If you treat scam artists and crooks like they deserve they will go awayThey are just looking for a free ride Throw them out,no more problemYes you may end up in court Who cares,those POS squatters are gone