Business Law – 3 questions involving 3 different scenarios

I need help answering the following three questions:

Steve buys a house from Jim. There is no written contract. However, Steve pays the purchase price, moves onto the property, and begins to build a new garage. Jim seeks to evict Steve from the property stating that there was never a valid contract. Is Jim likely to succeed? Why or why not?
Tony contracts with Paulie for Paulie to build him a house. They contract for a particular brand of pipes to be used. However, Paulie decides to use a slightly cheaper brand that is of a slightly lesser quality. Tony claims that this breach of the contract allows him to avoid the contract. Is he correct?
Frida agrees to sell a car to Johnny for $900. However, Johnny reneges on the written contract. Frida is able to find another buyer for the car at $700. What damages may she recover from Johnny?

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Jim is likely to succeed here. According to the law governing real estate properties, all contracts must be in writing so as to be enforceable by law. Thus there is no gentleman’s agreement on any sale of a house. Even if Steve decided to push matters forward and sue Jim for the damages, he would not be successful and he will need to prove..

APA

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