I Always tip my groomer. If I'm just getting a bath, nails, I do $5.00. If she does trimming and all, I do around $7-$10.00 just depends on what I'm having done. You will find they will get you in when ever you need them too!!! Plus I'm soooo grateful that she does exactly what I want and that is sometimes hard to find.
I always tip my hair dresser; therefore, its only right to tip your dogs hair dresser LOL