I will definitely take a look at that site. 

We have a ton of blogs on different neighborhoods on our site, feel free to check that out. 

It looks like according to the county site (sbcounty.gov) they require all renter payment go to the active owner. 

There are a million sites you can look at to get an idea based on more parameters.

Rob just updated everything...here is the site he tells everyone to visit for STR cost seg.STR Cost Seg

See below:Survey (8-10 weeks) Request Permit Prints from Design Team (4-6 weeks) Site Plan and Septic Design from Design Engineers. (6-8 weeks) Need survey back to start designs as this is site specific Energy Docs (1-2 weeks) Need plans from Design Team to make request.

For something more robust, tools like Excel or online calculators from financial planning sites might better suit your needs.Your ROI Formula:ROI = (Net Cash Flow ÷ Total Out-of-Pocket Investment) × 100For your scenario:Net Cash Flow = Annual Rental Income - (Mortgage Payment + 401k Loan Payment + Other Expenses)Total Out-of-Pocket Investment = $40,000 cash + $50,000 loan payments over 5 years.I came across a piece in Bloomberg recently discussing creative financing, and they touched on ROI calculations for multiple loans.Personal anecdote: A buddy of mine leveraged a 401k loan for a fourplex.

Hire an inspector /independent person to manage the job site for you, someone with your best interest at heart.

Stop with the guru sites, the videos, all that nonsense is pure crap designed to drive the lazy into highly risky investments or investment schemes that will surely see you make a little or lose a lot. 

It is a lofty goal with no easy path to accomplishment, but what you describe seems unlikely to accomplish the goal.Note most people on this site are RE investors.