More can be found out on the IRS website The Cost Segregation Audit Techniques Guide3.

If you ever need help running numbers and forecasting to see what a value add play would look like, I've built a financial model I help investors with all the time for free that looks out 30 years (example on my website).

I found this website www.searchbug.comand I will give them a try with a small list and see what they are about.

If you are near universities, I recommend the university off-campus housing website and Sabbatical Homes. 

Study and understand the SEC rules for accredited investors and 506 (b) or (c) rules from their website.  

From their website:      Maryland 10% to 14%Actually Maryland is 8%  up to 20%.

There are a few websites dedicated to travelers.

$75 application fee per adult.

@Cathleen Arhelger I would look at their website to see ROI and other data points, and definitely reach out to their team to ask specific questions. 

You can look up the CC&R's on the County Recorder website if you have a question about STR restrictions.