The average 3-bedroom in 77550 grosses around $40k/year based on Airdna data.I do believe there is a cap coming as the amount of STRs begins to cause rental prices to decrease but as that comes, properties that aren't managed well will come back on the market for people to own as primary residences and second homes.

Answer: Save up more money, increase your income, decrease your expenses, and improve your credit

If you are considering a home targeted towards families and the area is aging, you will likely find demand decreasing.

Which means the limitation to liability that LLCs shield you from would be collapsed by the court becuase of inadequate capitalization. 

For example; give them 30 days but if you are out within 7, 10, 14 days; I will give you $xxx cash (more cash for 7 days, and then it decreases).

When the area's income decreases, so does property and sales tax revenue.

Not quite sure if you actually mean a 'penalty' or a decreased management fee.

With increased demand for the area from both homeowners and investors, prices of properties at a good rental point have been driven up, and cash flow has decreased since rental rates don’t seem to be appreciating at quite the same rate that purchase prices are.  

The long wait can cause buyer remorse if market decreases so you need back up offers that you solidify in December.How much is the tax consequence today?

Rent collection rates usually decrease as property ages (do you know of a 100-unit 1960-built property that has higher collection rates than a 100-unit 2020-built property?).