[oldeguy]

Rule of thumb, you'll go through two sets of fronts, pads, to one set of shoes. You can check to see if your shoes are worn by using your emergency brake on a hill, just stop on the hill, and before you either put it in park or first for a manual, put on the emergency brake. If the brake will hold the car from moving, then your shoes are okay.
Any place that does brakes is okay to do the job, maybe you could "bribe" someone here to help. I find that Midas will find 68 other things wrong on your car, and will try to get you to get them fixed too, "while it's up on the hoist" Canadian Tire too