This way there is little push-back to get them to sign it (ie. you aren't changing their current rental rate, etc.)Be sure to consider the thought that there could be a major expense you have to cover at any given time.  

Being that I am do not in incorporated Palm Springs, I do not fall under the city's short term rental regulations.

We could cash out refi the rentals to acquire all of the DP needed.

you need to use their last known address which was the rental. 

Understand the demand, rental growth potential, and economic factors in the area.

Using basic numbers, assuming I sell a property for $10M and after cost basis is accounted for and mortgage is paid off, I have a net taxable gain to me of $3M.I'd like to purchase a rental lake house property for $1M (funds coming from that $3M taxable gain). 

Petersburg offer robust rental markets with steady demand.

Is it a reasonable goal to be get to a $3000/month cash flow in five years with rental properties?

If your rents are strong and the Loan Officer calculated your rental income well, you should not have an issue qualifying for a HELOC on a primary. 

Hello, I have 6 rental properties under an LLC that is equally owned by me and my soon to be ex wife.