Practice in daily life. I've never been on a retreat and got good results nonetheless. Read some books on what the practice is about.
You can pay attention to the 5 aggregates throughout the day. You can read about dependent origination and see it in your life. You can practice Metta around people.
Ian And has a nice collection of books that may help you aim your practice further:
Essential BooksBasically read, ask questions, and observe your experience. The books just help you to aim your investigation.
I'm not an arhat but the changes I've went through were some of the best things that ever happened to me. Every moment is fresh even if you're with a crying baby or washing the dishes.
The incremental changes in your understanding of stress are valuable even if it isn't perfected.