Whether it is at 6 months or 1 year, tenants will move when you raise rent to unreasonable levels. 

Putting that kind of expectation and blame on Nat for being a victim here is unreasonable and irresponsible.Nat, always check with a Florida lawyer. 

(B) If the landlord makes an entry in violation of division (A)(8) of this section, makes a lawful entry in an unreasonable manner, or makes repeated demands for entry otherwise lawful that have the effect of harassing the tenant, the tenant may recover actual damages resulting from the entry or demands, obtain injunctive relief to prevent the recurrence of the conduct, and obtain a judgment for reasonable attorney's fees, or may terminate the rental agreement.

RCW 59.18.150 (6) Washington State Residential Landlord-Tenant Act, provides as follows: “The tenant shall not unreasonably withhold consent to the landlord (or manager) to enter the dwelling unit at a specified time where the landlord has given ... notice...”

. $980k.Type and location are definitely beneficial, but the work required is too time/cost consuming and seller's terms are unreasonable under the given circumstances.

The investor gets 100% of cash flow from the rented side and pays 50% of expenses.Essentially this is double leverage and in-house management for the investor in exchange for credit approval and equity share for my friends.Does this seem unreasonable?

If so, $100K per year is not unreasonable.

There are reasonable and unreasonable expectations.

Is this unreasonable?

Since you are really and truly just putting a slight twist on how you flip to work around the permit issue, do you really think they are being unreasonable against you as opposed to other flippers who don't do a work around?