The best long term strategy is acceptance. I am someone that stutters and I have challenges as a result.  When I accepted this, I stopped beating myself up and I started clocking wins for myself. I would be in a queue with an inpatient server, stutter but leave with what I wanted. Instead of beating myself up over stuttering, I would celebrate the win of sticking with it and getting what I wanted. Over time my fluency has improved a lot. I stutter every day but I rarely have 30 second blocks or stutter multiple times in a sentence. I practice reading out loud, I record myself practicing presentations and I keep a log of hard words to work on. This combined with above improves my confidence and life gets better every day.