But what disturbs me are the myriad negotiating techniques geared towards relentlessly beating people down on price.

To be nonthreatening, put your feet in front of you, shoulders out, and, your stomach relaxed.

I know you're looking for RE related books, but applying Dave Ramsey's techniques is the real source of "not living paycheck to paycheck."

Just a technique we use to have the sellers feel a wee bit more comfortable.

I currently work 7 on 7 off so my schedule allows me to relax and give opportunity/time for a second career or supplemental income.

My old Boss would call this the "ready, fire, aim" technique;-)We had "Ask the Builders" last Tuesday (link in my signature below) @Ray H. has got it, proceed with caution.

I'm currently marketing for off market deals through direct mail and other various marketing techniques. 

Your plan provider can confirm whether or not it matters as a duplex.One technique for starting investing is staying as a renter and taking advantage of primary residence financing and other benefits, just like your potential duplex here (15 year 401k loan, easy insurance, FHA loan, etc.) and then you do something similar again with property #2 (even if you don't plan to leave property #1).  

Hire an agent and get it listed on the MLS.You don't need to fix anything,just clean up the trash and remove the personal items and clutter to make the rooms as big as possible.Make the property look clean and inviting to impress buyers.Let the realtors do the hard work while you relax and wait for it to get done quickly.

If you want to achieve this technique.