You have one car, and that car has a job at both houses. So when the oil light comes on or the tires start to look thin, the real question is not who does the best work. It is which shop can get the car back to you without knocking a whole row off your week. Judge the shop by the calendar it asks you to fit into, and the repair part gets simpler.
Local option: New Plan Care gives families in the St. Louis area in-home help so a parent can stay home: companionship, help with bathing and dressing, meals, and overnight care. Call (314) 405-0887.
Start with the window, not the menu
Before you compare anything else, look at the drop-off and pickup hours. Ask what time they start taking cars, what time they stop, and whether Saturdays are different. A shop that closes early is hard for a parent who has the morning school run and a late meeting on the same day. Ask whether a morning drop-off can still mean a same-day finish, or whether leaving the car means leaving it overnight. Those two answers decide whether the kids' row or Mom's row gives up the hour.
Ask what happens while the car is in the shop
This is the question most people skip, and it is the one that costs the most. Ask whether they offer a loaner, a rental car, or a ride. Ask how far the shop is from your house and whether they will pick you up within a set area. Ask whether the ride needs a reservation and whether it is free. If the answer is "you will figure it out," write that down as a no. A loaner only helps if you can get one on the day you need it, so ask how many they keep and whether they run out on busy mornings.
Ask how they call you back
A good shop that finds an extra problem during an oil change will want to tell you about it. The questions are when and how. Ask whether they text or phone, whether they ask before doing extra work or only tell you after, and who you will talk to. Get the name of the person who answers the phone and find out whether that person is the one who looks at the car. If the only number rings during carpool, ask whether they take messages by text.
Put the approval in writing
Before you hand over the keys, ask for an estimate you can read, and ask them to call or text before any work goes past the first line. Read the approval line the way you would read a school form. It should name the work you approved, the reason for it, and whether it covers any part that was not on the first list. If a form asks you to approve any additional repairs they find, slow down and ask what that could add up to before you sign. You do not have to say yes to everything on the first call.
Check the work promise, then the paperwork
Ask what the shop guarantees on the work and for how long. Ask whether the guarantee only works at their shop or whether another shop can honor it. Keep the printed invoice in the glove box or on your phone, because that paper is what you bring back if a light comes on a few days later. A shop that is glad to show you its terms is usually one that has explained them many times before.
A simple way to compare two shops
Pick two shops near the route you already drive. Call both on the same morning and ask the same five things: the drop-off hours, whether there is a loaner or a ride, how they reach you, what they need approved in writing, and what the work promise covers. Write the answers in two columns on the back of a school flyer. Then put the kids' row beside it. Whichever shop fits the week without pulling a parent off a pickup is the one to book, even if the other one sounded friendlier on the phone.
If the week is already tangled, lay the car visit next to the kids' row in The Kids' Week and Mom's Week, the same way you would plan any other errand.