Hello Dave,The most popular one I hear the most is in-person REI meetups and any event that has investors attending.Next, you have social media outreach.

For those managing rental portfolios, DSCR loans are becoming popular since they’re based on property income instead of personal income.

You MUST have a correct STR policy specific to short term rentals.Check out Proper (expensive), CBIZ and Foremost (very popular here) to get some quotes. 

Quote from @Collin Hays: Quote from @Andrew Steffens: I love thinking outside of the box but I think this would not be a very popular offering. 

I'm currently working my way through some of Robert Kiyosaki's other popular books, as well as others on real estate investing specifically.

If the lake is smaller then they might not be too popular if it is primarily a fishing lake.I would also add a general store with basics, bait, beer, food stuffs etc.

i'm direct-to-seller on the east side (i'm a realtor) and would love to connect. i like the east side (48215 and 48224) bc the communities around grosse pointe sell/rent well (grosse pointe is an affluent surburb that borders detroit on the east side). i've lived in both zips and personally like 48215 best, but 48224 is def one of the zips most popular with investors. it's got lots of quaint 1920s brick that move pretty quickly. would love to connect with y'all who're investing in detroit.

Most of my work has been helping families relocate to Savannah, which has become such a popular destination for so many.

Then, when "notes" started getting more popular with novice investors, I attended a few conferences and saw gurus speaking that had ZERO formal credit background charging to teach people how to buy loans.

Studied popular trends during rehab of other successful flippers (paint scheme, floors, tile to use, look of kitchen and bathrooms).