If this were an arrangement between you and the potential tenant, I would say since he doesn't have a copy of the agreement with your signature, then it's not considered executed.

My new landlord does not offer this incentive, but the lease automatically converts to a month-to-month arrangement at a much higher monthly rent when the lease is up ("negative incentive") if I don't renew the lease.

Personally I would recommend avoiding this arrangement all together.

What can I offer in return to make this a lucrative arrangement for the agent?

I was also contacted by a person here under the profile here on BP of Richard Apriot recommending a private lender and that he has an arrangement with the lender to get a point on this transaction.   

I got lost about half way through. paragraph ˈperəˌɡraf/nounnoun: paragraph; plural noun: paragraphs1. a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering.synonyms:section, subdivision, part, subsection, division, portion, segment, passageMore"the concluding paragraph" report, article, item, sidebar, piece, write-up, mention"a paragraph in the newspaper" verbverb: paragraph; 3rd person present: paragraphs; past tense: paragraphed; past participle: paragraphed; gerund or present participle: paragraphing1. arrange (a piece of writing) in paragraphs.

Some sort of profit sharing arrangement with the investor so that your interests are alignedAll in all, I'd say it is a risky play, but in risk lies great returns.

Who they are using for tax accounting, property management, general contractor if any, mortgage broker, due diligence company, cost seg, insurance company, and etc.Review the additional fees\costs, if any, and determine if they are out of the norm depending on the experience of the sponsorship team, investment strategy, and asset. 

It was a good arrangement, all the way to the end, years later, when the neighbors ended up buying the lot from us at FMV.It's not necessarily a bad thing for a neighbor to begin using the yard of a vacant property. 

nope just do a simple LLC agreement with both of you as managing members or you manage him member and spell out the business arrangement in the operating agreement that is simple no need for PPM if its just you and one investor you know.