I am looking to do a DSCR cash-out refinance of a rental property that I own free & clear, but have only owned for a little over 3 months. 

Great resource for everything an investor would need to manage a rental and reviews about PMs, contractors, and what not.

Now, this doesn't do anything to change primary residence requirements for short-term rentals. 

Well, my friend bought their first rental a couple of years ago and did a full renovation.

Also I believe it’s priced lower due to the area, I’m not going to be living there so it doesn’t really matter I just think with potential rental income it might be worth it because I wouldn’t be getting a mortgage but buying out all cash.

Have had some experience real estate investing (1 house hack and 2 rentals) but took a break this past year. 

However, if this is a non-rental activity and you plan to do it more often, you'll face self-employment tax.Given that you already have an LLC and understand the liability perks, using the LLC might be the smarter move, especially if you plan to do more projects down the road.

It is also an affordable place to live, espeically comared to CA, with a a strong demand for rental properties.

My coach says to move by the speed of instruction, but I'm not sure if my own market of Sacramento, California is worth spending a lot of time and money in, especially for rental properties.

If you haven't already, read "Short-Term Rental Long-Term Wealth" by Avery Carl.