It's not even a pre approval letter for you lol.

Assuming a refi is somewhere in the 2-3k range in 3 years I would still be ahead based on the .5% lower APR.  

Note: If you need a Hard Money Loan I have a lender that will do a HML at 5.75% APR at 80%LTV [DM for more info] PACE – Home Improvement Loans – 100%, 17 month deferral, paid out through taxes over 20 years.

If you decide that you have to use a DSCR loan definitely keep in mind that interest rates for those are higher than other loans and also they may have a pre-payment penalty.

Vacation or "STR" property ROI will depend on the location (walkable to shops/restaurants, beach/lake, skiing/hiking, etc), local hotel tax, utilities, and travel desire.

Almost similar but a pre-approval will tell you exactly how much house(in $ amount) you are qualified to buy

Would you be skiing/ hiking/ outdoor pursuits, or visiting museums, art galleries, and restaurants?

Hi All,I am having a hard time executing my primary rental strategy with these mortgage rates, and I am exploring other opportunities.I have recently been looking into buying land and dropping a pre-fab on a slab to get the feel for construction projects with the lowest risk possible.I am curious if you have any recommended resources for getting started in development/construction projects specifically for real estate investment.

A pre-ordinance (built before July 8, 1957) residential building or building of mixed residential occupancy, not complying with the requirements in force and applicable to the building at the time of its conversion, may be altered so as to legalize one dwelling unit, in addition to the number of dwelling units originally authorized, providing that said unit was determined by the office of the zoning administrator or the zoning board of appeals to have existed prior to July 8, 1957, and provided such building complies with the other provisions of this chapter.

They have really good rates on HELOCs at the moment, especially if you are looking to refi the HELOC you got with BofA.3.25% APR, with no annual fees.