You'll have to get a contract prepared by an attorney.

The contract didn’t state it was 20% higher?

This also leads owners to ASSUME simpler is better when it comes to management contracts.

I have a property (fix and flip) under contract, but now, shoot, the REAL work begins.I am located in Milwaukee, WI, but my property is in a near suburb of the city.

Than you set out, per the strategy, to get a "deal" under contract. 

Here is a solid summary from an internet search that will give you all you need to move forward:"A notice to terminate a property management agreement is a written communication to the property management company that informs them of the intention to end the contract.

When under contract at 300k with the expectation that codes would be the determining factor on what can be done on with the property, as it relates to new construction.

When under contract at 300k with the expectation that codes would be the determining factor on what can be done on with the property, as it relates to new construction.

Yes, a contract is a contract, but it's a two-way contract.

Quote from @Tod DuBois: Another Furnished Finder POT cancelled on me after I went out of my way and paid to review them on Key Check and signed up for Key Check contracts, made two contracts, allowed a pet and still, two days before the check-in, they did not sign.