Here in Ontario, we can only increase a very small pre-determined percentage once a year.  

I would talk to a lawyer to help out, but get agreeable terms that explicitly states what happens in the case of a divorce, such as forcing that couple to sell or surrender its stake at a pre-determined price the the remaining parties, or something like that would be good, and your postnuptial one might be prudent.

Too much analysis not enough predetermined criteria.

But it is not always a good idea to have something in writing for every obscure possibility because it is often difficult to predetermine what should be the optimal decision-making system without a context for it.

The Tenant shall pay all Rent to the Landlord on or before the date that payment is due by Direct Deposit into the predetermined designated checking accountLate Fees: If the Tenant does not pay in full the amounts set forth in subsection (a) within 5 days after its due date, the Tenant shall pay a late fee of _________ (10% of rent).Pet Fee: The Tenant shall pay to the Landlord an additional non-refundable fee in the amount of $50 per month, or one month’s security deposit of _________immediately on the Landlord’s approval of a pet or pets.

There will always be some risk but much less if you buy right (good value, found equity, or forced equity RE deal) and seal your down side through a fixed loan for instance which gives you a pre determined payment and establishes your min overhead so that you can plan your cash flow and reserves accordingly.The advice of not using your primary is far end conservative wing advice which is great for newer investors or for the people with no experience, because the likelihood is that they have a high degree of  being susceptible to losses.

A better option would be to do it as an Option Contract, which would mean you have the option to purchase at a predetermined price anytime within the option period.  

Then, depending on your states laws, I would store their persona; property for the predetermined amount of time before selling or disposing.

Really :D Here goes:Flex Option Contract – Allows you to place home under contract with seller for a predetermined amount of time.

All I need is to used his/her excellent credit, apply for funding receive funds, acquire property, sell then he/she gets a predetermined percentage.How much would this typically set me back if I were to go with an attorney?