There is no limit. If you had one denied before, USCIS should have given you a reason. Make sure that in your subsequent filing you address those areas.
This general advice does not create an attorney-client relationship.
As many as you wish. However,I suggest you hire an attorney to help you.
This advice does not create an attorney client relationship. No specific legal advice may be offered by the lawyer until a conflicts check is undertaken. Information sent through a web form or via email may not be treated as confidential. Please accept my apologies for spelling mistakes.