A cash out refinance is a 1st lien position restructure of the entire mortgage that allows you to pull equity out as a lump sum and all is provided at closing.

Hey @James Yang great questions, and I'll try to provide perspective below.

Also many PM companies do not allow applications provided to tenant to be re-used.

Depending on your specific goals and why you are investing some of the out of state markets can provide more headache than the cash flow is actually worth. 

As far as mobility goes, this is what I'm personally hoping to accomplish in my life outside of real estate, there are plenty of resources (tumbleweedtinyhouses.com) that provide information regarding the legalities of what is considered to be a "mobile" home and everything involved on that end of things.

Other brokerages website as they must provide the name of the listing agent.Good Investing...

Please provide me your contact details to reach-out to you. 

Quote from @John Underwood: Also insurance rates are cheaper in SC than FL.Heavy emphasis on this one, especially if you are doing any kind of BRRRR, not only will insurance be expensive, but might also be tricky to find as some providers have stopped servicing FL all together. 

Shopping for insurance, appealing assessed values, shopping utility providers, making energy efficiency improvements, etc.

The people closest to me are very negative in my aspirations and I believe joining the wonderful group that BP provides can be a big help.