As far as domes start with their recommendation but ask for an assortment to go or skip the dome roulette and get custom molds and never look back. Read so you know the buzzwords particularly the Signia terms. But, do not go in acting like the expert. Mention you would like started below target and let the aids get you to target over a month or so. USE volume control. Use volume control spatial control particularly when driving and in crowds.
Relax, don’t expect to walk out of the store and hear mouse farts. Expect stuff you ain’t heard lately to annoy you at first. Paper, dishes, appliances, etc.
Make your next appt before leaving. I would go for somewhere in the third week. Keep a journal of the good and bad situations and take it with you.