It was a win/win because with my guests going to dinner with a $50 gift certificate they felt like they were getting their meal paid for but the owner of the restaurant once told me that my average $50 gift certificate holder would spend a minimum of $75 while they were there on extras like appetizers and alcohol purchases that were typically big mark up items for him.

You could put 25% down and grab some of the extra cash you have and make the place more higher end - can equal higher rents - then sell for more in 4 yrs b/c it brings in more income.

Likewise, your payment will be slightly lower and you can continue to cashflow more and still get some extra money to reinvest.   

Having extra liquidity will also help as you may run into some growing pains as you begin your journey as a flipper. 

I do not invest in RE to have a little extra spending money.  

Plumbing wise city of st pete charges about $1200 for the extra meter and the plumber fee depends on the trench, length and trees they have to cross, I've seen prices in the $4000-$6000 range.  

Now the question of 10% down to get an extra 3% concessions sounds good.

Sharing profits with your GC can give them extra incentive to do quality work and stay on schedule. but it's essential to have a clear agreement in place to avoid misunderstandings.

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

We recently bought a property with an extra lot.