Craigslist, Facebook, Zillow, HUD homes store, realtors and networking 

Advertise your house online with Craigslist, Pennysaver, Zillow, Oodle,(Google Free Online Advertising) Seth Williams has 50 Online websites  that you can advertise FREE!

if I ever want to switch cPA or try to do it online DYI ? 

Put notices on bulletin boards at local grocery stores.

I did research online and they have very good rating (google review and yelp).

I'm looking up articles online, reading what I can, but I'd love to actually speak with someone, hear experiences. 

Google first, BBB 2nd, contractor desk at the "local lumberyard" (not the box stores), sub-contractors. 

Investigate, thoroughly - look up the State Survey's on facilities or if you are looking hard at a place ask for their State Survey or where you can read it online.  

There is always something on clearance, and then stack on the 10-20% off coupons that you can find online or through eBay.

Avoid operation of a private or commercial golf course, country club, massage parlor, hot tub facility, suntan facility, racetrack, gambling establishment, or a store whose principal business is the sale of alcohol for consumption off premises.The 4th requirement is of particular importance with regard to the real estate company in your hypothetical.