He seems unreasonable.

I understand why these laws get passed (absentee slumlords), but this is totally unreasonable.

Under the circumstances it  would not be unreasonable to increase it to the market rate of $850.

So I found a site that tracks rental trends in the Spokane area: Spokane rental trendsIt looks to me like 3% is not an unreasonable rent increase over the past 3 years, in fact it appears to be closer to 4% per year.

I think you will need to provide some analysis examples of the properties you intend to target.Your overall plan/goals are not unreasonable.  

Have heard mention of sellers trying to force buyers to buy based off the claim of "unreasonable dissatisfaction of property condition due to insignificant repairs" or that the inspection wasn't performed by a qualified professional.     

That should be SOP, so it's not unreasonable.

This is a big deal so I'd appreciate your direction very much.Installment Land ContractSection 9"Buyer shall not make any major alteration or addition to the Property that would normally require a city/county permit without first obtaining permission of Seller, which permission shall not be unreasonably withheld or delayed. 

We feel that it's unreasonable of the old tenants to ask for reimbursement from us and the new tenants.

Like in SFR or small multifamily is it unreasonable to not provide appliances?