However, that will likely lead to increased turnover and increased vacancy time in between tenants.

There are a lot of ways to crash and burn, so increasing the odds of succeeding long term should be your highest priority. you can always sell your local assets once you're comfortable managing rentals and ready for a market that better-suits your criteria. btw, kudos for being self-aware of your limitations.

Your nightly rate will be influenced by proximity to the beach, interior design and amenities (ex game options, fire pit, pool, etc).

I own 4 two/three flats bought between 2013 and 2020 in Forest Park, Illinois, at low interest rates and prices in 200000's  They cash flow nicely and prices have increased a lot. 

Household Debt Rose by $184 Billion in Q1 2024; Delinquency Transition Rates Increased Across All Debt TypesMay 14, 2024

Change all lighting to LEDTo increase revenue: 1.

If you can or do trust your PM company then speed can increase and costs decrease over time. 

I increased my Heloc on my primary.

What is your Annual Rental Rate Increase look like?

This may be an opportunity to remove the tenant, refresh the rental, and increase rent significantly with a new tenant you've selected and trained.4.