It's okay to leave money in the property unless you're paying interest on a loan or it's a crazy amount since you can't roll into the next deal. 

Condition plays a huge roll, too.

Then when tax time comes, someone already has all of your info (closing statements, rent rolls, an understanding of the property and what you can report for deductions, etc) and the process is seamless.

He needed me for the construction knowledge and bank roll.

The way we work with a slate roof is simply to remove all the slate from the section of roof where the solar array will go, then tie in to the trusses/rafters with standoffs and either use a rolled asphalt surface or a rubber membrane to seal the portion of roof under the panels, then replace some of the slate around the edges so it's a seamless transition from slate to solar.

When just starting out in syndicating, if the syndicator does not have enough capital to buy into the deal (which I understand is necessary for newbies to promote investor confidence) can he/she simply roll all/part his acquisition fee into the deal at closing?

You can also purchase with no money down if you get the sellers to roll your closing costs into the purchase price.

Although I know my lender has used the cash flow (rent rolls) as a significant factor in ability to payback the loan. 

I have the sellers financial information, rent roll, expenses etc.With this being a new season of investing into apartments for me, I want to make sure $20k non-refundable earnest money from day 1 of the effective date is a wise move.I know as the due diligence process moves forward, the asking price is always negotiable, at the same time, with the seller already showing she's a firm negotiator, I would hate to lose $20k because she don't want to budge on price when the lender and/or bullcrap turns up during due diligence.

BRRRR is a new term for an age old strategy of adding value and rolling into the next one.