My husband has filed a divorce petition against me accusing me of cruelty and he has submitted audio recordings me.

It's unlikely that the recordings will have any real effect - he's entitled to a divorce with or without the recordings - but you should play them...

Divorced in FL June 2013. Reason to believe he lied on deposition, which he contested to in beginning. Is it too late to sue?

No to a contingency - and it's not clear that you have any cause of action. Consult a local attorney and review your divorce papers.

Can I sue my husband for divorce and also sue his mistress as he is spending excessive money on her. we were married 18.5 years

You can sue for divorce. Consult a local attorney and discuss the specifics of your situation.

I was sent a subpoena for a deposition about my girlfriends divorce. How much info really needs to be brought?

You can't produce things you don't have. So don't.

Where and how do I file my claim if I can't afford an attorney? I am retired and living on a small income.

That's not a divorce question - and you may have a statute of limitations problem - but you should consult a local attorney.

I would like to know how can I get assistance to pay a family lawyer for a divorce matter.

Your court clerk may have a list of low and no cost legal services.

How many years back will be looked at to calculate the split of martial assets in a divorce.

That depends upon the circumstances. When was the gift given? Why?

Can my divorce be finalized if I become pregnant?

Yes.

I have been separated for 6 years and recently filed a divorce petition; I have provided all of the support

It's not clear where you stand in your divorce proceeding - but you should be seeking exclusive use and occupancy of your residence - and possibly...

Yes.