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In order to have received any profit from the purchase or sale of property you would need to file for a legal separation. As long as you were together (Or apart with no legal agreement) he has the right to do what ever he chooses with assets.
As far as spousal support that is the same story....you are not going to receive any support until you take this to court and request it. Since finances are a issue consider calling legal aid for assistance. They can help you file for a petition for support if you are eligible. In the end it is up to the judge.
I wish you the best,