What are some of the best techniques to shut down those who protest against landlords who want to charge high rates in a neighborhood facing gentrification?

Often there is a process to withhold rent and deposit it with the court until the issue is resolved.

I think the other made some good points here. 

In the booming market in Memphis, I've found that having the right tools can make all the difference.

Id say the first step is to confirm with the city if the zoning allows for you to make this a separate unit. if it does great.if not there is another idea.

If the numbers don't meet your expectations, walk.

They paid about 90% of their first months rent after my ownership (after a lot of follow up on my point) and never paid another cent.

I’m not able to personally qualify for cash out refinances.I’m looking to sell my home located in Southwest Florida in a HOA community but want to remain in the home to lease- 3 years or more.Does anyone have experience with this type of program or have any suggestions for me on where to look to get this done.

I am an investor in the Scranton area. 

This is to ensure that both parties are aware of the loan and to protect the lender's interest in the property.