Do you recommend switching at around 30 properties or so? 

Get a job in property management.

Check with your municipality about how property taxes will change when you buy the place.

I reached out to only 3 two got back and 1 I was actually able to have a conversation with.

If finding a new replacement is more difficult then get your new property under contract first even before your old property closes.  

If you know where to look and have the right time, you can find properties that cash flow.

To succeed, focus on properties in high-demand neighborhoods like Pecan Grove or Aliana, and ensure your cash flow analysis accounts for high property taxes, potential HOA restrictions, and flood insurance costs.

The fact they are complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.7.

That way when a deal is brought to you, you know the seller actually wants to sell.

Sellers of commercial property will be savvy to Seller Financing.