In my experience, wholesaling seems to be a pretty cut and dry business where you market to a seller, meet a seller, put a house under contract, transfer that contract to an investor who wants to either flip or rent the property and collect an acquisition fee for your hard work marketing and acquiring the property.There's some wholesalers out there that do some practices unethically but dont let that wear on your ability to act with integrity and do whats right by your seller even if your not the best solution for them at the end of the day.  

Who was supposed to pay the transfer tax?

What system do other people use, to make sure data transferred from the PM to QB and making sure it balances.

Without having to actually own the property, just basically transferring to the buyer but still getting a little profit? 

I declared this property by the deadline and have transferred money down (thru a 1031 intermediary).

However before I can do that, I have to transfer my list to an excel spreadsheet.

Using a loophole within the national Association of realtors called “an assignment transfer“.

Primarily; a court may see the transference of money as an attempt to circumvent the secured claims of your vendors that most likely exist, and such transfers could potentially be declared void.I'm sure there are other types of attorneys out there who have similar aversions to this kind of transaction policy, so I would recommend seeking legal counsel first, someone licensed in your own state.DISCLAIMER: Above for educational purposes alone.

The normal down payment was 10%, but there may be closing costs you can pay with credit or barter and the tenant security deposits are transferred to you.I sold an 11-unit (2 quads and triplex) this year with 2.5% down SF to an experienced operator to reduce my tax hit. 

As prescribed by state law, your process for transferring ownership will determine legality.