Should I speak to an attorney before I leave?

I recently met with a financial advisor who advised me that if I want to be independent I should leave my home. I have been married for 24 years and have two grown children. My husband has been lying about our finances the whole time, has gotten us into serious debt, has had his family bail him out without my knowledge, and gambles. So I was making plans to move out into a friend's house, but a couple of my friends have told me not to move out until I speak to a lawyer. They said if I move out it could jeopardize my chances of getting alimony, or half of my husband's 401k, our only asset. I have an appointment to see an attorney at the beginning of May, I have to wait that long because I need to save up the money, she is $375 an hour and the first meeting can take 1 to 2 hours. Our house is currently on the market, and we might get an offer before May 9th. (We won't make any money on the house - he used all of the equity in the house.) I know that no one can give me legal advice, but is it a good idea to wait to speak to an attorney before leaving? Thank you.

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