Advertised on Instagram & Facebook and waited for the reservations, money and NO fees to start rolling in.  ....and waited, and waited, and waited.I booked 1 reservation through that platform (and it was someone in my home neighborhood that I verbally promoted it to). 

I have used sources such as Facebook, craigslist, zillow, Instagram, and Uloop to advertise this rental to people who go to college in this area.

I have resorted to online zoom calls and LinkedIn or Instagram.

1) Old-school excel spreadsheet and driving-for-dollars/redfin/zillow lookups on the map's property view OR (if you got money to spend) websites like Listsource dotcom2) The city's appraisal district then cross-referencing the address and/or owner's name with facebook, instagram, and google..OR skiptracing services available for cheap on freelance platforms like Fiverr or Upwork

Surface level finishes: head to instagram and pintrest. 

Honestly, Instagram is the best way to chat!

The MLS has been my new Instagram lately!

(#12 on the Top 50), CRM + lead generationActiveCampaign (#15 on the Top 50), lead generation + CRMNimble (#44 on the Top 50), CRM + FaceBookEClincher (it's out of the Top 50), CRM + bunch of social media (Facebook, Twitter, Instagram, YouTube, Yelp,...)All other needs can be solved by other separate programs.Articles:"Top 50 CRM Software for Real Estate Investment""CRM choice for beginner RE investors"Hope that's helpful!

Instagram?

There's a guy on instagram (@personalfinanceclub) that lives in San Diego and has some pretty good posts on owning vs renting.