What can we do about this home loan?

What can we do about this home loan? - 1
Added (1). My boyfiend is trying to purchace a home for us all to live in with a FHA loan through Quicken Loans. We are up to our eyes balls with them personally… My boyfriend has over the amount needed for closing. The antiscipated date for cloing is this Friday. They said they now need money in reserves of $1,800 and this was about 4 days ago now this amount changed to $4,080 reserve money magicly overnight.
Added (2). They are telling us they have everything needed and this and that will work than when they send it to a team they either do not know what they are doing or they lied to us from the beginning. My boyfriend has over the amount needed for closing. He is trying to use a 401k, He sent the statement now they need more info and we looked at it it needs to be with drawable so how can that happen.
Added (3). The closing date on the home is Friday. The interest rate has been locked in but will expire on the first. I also heard these people are doing something illegal and possibly sueable. They demanded a good faith check way in the beginning They say it goes towars closing costs. I saw somewhere else that they should never ask for that until closing period.

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