I'll contact you outside of this post to arrange the details.

At the Balloon payment, arrange for purchase to be sold to end buyer, and collect 6 figure commission check.This would probably be the most work I've ever done to get 6 figures, but is it worth it?

Your employer would have to surrender a lot of control over your job in order to switch you to 1099.Third, even if you arrange such a switch, it comes with a heavy price tag:- you will owe the employer's portion of Soc Security / Medicare taxes, basically an extra 7.5% tax- you will not be eligible for the employer benefits like insurance- it will be more difficult for you to obtain unemployment benefits when the job ends- the most important one: you're extremely likely to fall behind on IRS taxes, because they will no longer be taken out of your paycheck, and you will have to save up yourself and pay the taxes quarterly.

I would also let the one your not choosing know today so they can make other arrangements.

Alternatively, if you have liquid assets over $750K and have an account with HSBC/Citi/JP Morgan in the UK/Canada, your banker should be able to arrange financing in the US (not the same terms as most US folks would get). 

if so what have you seen recently for each arrangement?

She’s technically an agent, we have our own arrangement, but definitely worth at least reaching out to.

Hey BP,Looking to make this a sounding board for inspiration for how others have partnership arrangements.

(A) A landlord who is a party to a rental agreement shall do all of the following:(1) Comply with the requirements of all applicable building, housing, health, and safety codes that materially affect health and safety;(2) Make all repairs and do whatever is reasonably necessary to put and keep the premises in a fit and habitable condition;(3) Keep all common areas of the premises in a safe and sanitary condition;(4) Maintain in good and safe working order and condition all electrical, plumbing, sanitary, heating, ventilating, and air conditioning fixtures and appliances, and elevators, supplied or required to be supplied by the landlord;(5) When the landlord is a party to any rental agreements that cover four or more dwelling units in the same structure, provide and maintain appropriate receptacles for the removal of ashes, garbage, rubbish, and other waste incidental to the occupancy of a dwelling unit, and arrange for their removal;(6) Supply running water, reasonable amounts of hot water, and reasonable heat at all times, except where the building that includes the dwelling unit is not required by law to be equipped for that purpose, or the dwelling unit is so constructed that heat or hot water is generated by an installation within the exclusive control of the tenant and supplied by a direct public utility connection;(7) Not abuse the right of access conferred by division (B) of section 5321.05 of the Revised Code;(8) Except in the case of emergency or if it is impracticable to do so, give the tenant reasonable notice of the landlord's intent to enter and enter only at reasonable times.

Maybe you can arrange some type of referral arrangement.