Call up realtors for investors, check Craigslist, tax sales, meetups and talk to people and look for investors.5.

I would not buy stocks on margin, too risky, if the stock goes down in value the loan is called and you are forced to sell or come up with cash.  

They include a great lawyer, accountant, electrician, good plumbers, good handymen, these are the people I call on to help lend a hand when needed as well as my wife who handles all of the financial aspects of our business.  

If it is a specific list of home owners within an area(s), then I would rather create a personalized postcard campaign raising their pain points and you providing them benefits and credibility so prospect will call you.  

Otherwise if they want you to marke the prices up don't do it because it could make you look bad.Additionally, you can subscribe to a FSBO service and call them as well as FRBO's and Expired listings.

I have since had a new tenant moved in and never call me for anything.

I may let them receive the letter first and then follow up with a phone call afterward.

A couple of ideas we've been brainstorming:Postcards shaped differently, maybe in the shape of a houseBig text offering to make a $1 donation to charity for calling our number just to let us know who their current management company isHandwritten lettersPlease share any innovative ideas you may have to grab owner's attention for mailers or ways that have been successful for you in the past. 

I am still calling around in FL and CA to find the best terms and rate.

Be aware that if you can fog a mirror you can get your general contractors license, and I get 2-3 calls a week from investors who got taken advantage of by bad property managers and contractors...