To that end, a 50-50 split is always a bad idea.b) Exit plans, should one of you want to leave/dissolve things, or one of you dies or is otherwise incapacitated.c) The ability of a partner to sell his interest in whole or part to someone else (maybe a complete stranger).d) Dispute resolution.

Jim Kaufman, I don't think there's any particular "resolution" to be had in this case.

However, I took it up with my credit card company, printed out the initial email request and a copy of the letter I'd sent and faxed it to the disputed charges department.

If you'd like to discuss the options for them or others in further detail we help clients like yours find resolutions.

Does anyone have any experience in disputing these successfully?

Do you know you can dispute things like hard inquires on your credit and dispute it and it is free. 2.

Not to dispute any info but just providing the facts as I see them here in Toronto. 

Did you take pictures to document the conditions you found, should they choose to dispute any charges?

So in this case the day you close, your house is worth $253k and their is no disputing that, however on day two it is speculative & based on the comps in the area. 

You can also make contributions at other times, but you have to put that as...a resolution?