Watch a couple YouTube videos, get some clippers. Do it yourself. It’s not that hard.
+1 on this; i've been trimming my own beard for over 5 years now, it's not hard ...... IMO the trickiest thing to do is to clip your mustache; i'm very right hand dominant & can't seem to get it "balanced" -- but BearBrand has some good videos on trimming your beard and they work .... their MAIN advice is -- trim/clip MINIMAL lengths at any given time .... once you mow it all off, then you're hosed & have to wait for it to grow back ....