You will want a Realtor who is looking out for your well being and not trying to sell you the most expensive property and a property management company who is honest and has a track record of high performance in rentals - both booking percentages and rates. 

On the owner-occupied loan - For 1031 purposes, the IRS doesn't care about the percentage down payment (although, if he wants to defer all taxes from the land, then all of the equity from the sale does need to go as down payment on the investment half of the duplex). 

Others might still go for a percentage, but since it’s off-market and might not involve as much legwork, they might be open to something less than the usual rate.Who throws out the first number?

Offer move-in incentives (hard dollar amount, not a percentage)4.

While there were challenges, such as adjusting to the nonrefundable deposit requirement as a percentage of the purchase price, I remained steadfast in my vision.

Just meet with an attorney who can draw up the agreement with the percentage of ownership with the terms of the agreement and then on deed, it would list both partners as owner with their percentage and it would stay that percentage for capital gains and expenses pro ratta. 

Hello Bigger Pockets, My team and I are looking for a tip to point us into the right direction of how to convert our current tenant from regular rent she pays to a Sect. 8 Voucher (where rents in that zip code are much higher), she will have a percentage of the monthly rent paid for her by the government.

Have a lower monthly payment, not pay PMI, be able to save a bit more from the W2 jobs each month, as well as having a greater percentage of the mortgage covered by the upstairs tenants. 

If I own a $150,000 property out right and rent that same property for $1,200 a month, my cash on cash return on investment percentage might not be as impressive as if I were leveraged, but, I don't have to worry about sometimes wildly fluctuating local real estate values possibly leaving me upside down and destroying my net worth in the process.  

This doesn't mean you have to pull out the full percentage, but whatever works best for your scenario.