Meters: Sometimes you can get a free meter from the manufacturer online (like Bayer and OneTouch). Google search for their websites. You fill out their little form and they'll send you one. Each kit comes with about
10 test strips but you would have to continue to buy the strips. If you have insurance, then the doctor's diagnosis (that you need to monitor your blood sugar) should be enough for the insurance to cover a meter and all the extras including a certain supply of test strips a month. If all that doesn't work, go to Walmart and buy their own little meter ReliOn. It was rated pretty well for accuracy and the strips aren't as expensive as the other brands.
Eating: I would suggest eating smaller meals, each with some protein and a few vegetables and a salad. Green beans, for example, and the like would give you enough carbs but not an overload. Smaller meals and eat four meals a day. One of those 'meals' may look like a snack. If you like veggies, make up a plate of just that during the afternoon if you can. If you're working and not at home, pack some nuts, cheddar cheese, carrots. Hopefully this will try to keep your blood sugar evened out.
Your doctor's office should absolutely guide you about what to eat. Call them back.
Doctor's office: so the nurse presumed you had a UTI? And just what is she doing for you about it? She sent you home with a possible UTI? It doesn't matter whether the doctor is in or not, if you have an infection and you were in their office, someone should have given you a prescription for antibiotics. And that's another thing: you had an app't and the doctor wasn't there. Why didn't they call to tell you that before you went down there?
Ketones by themselves may or may not be serious but if you also have protein in the urine, your doctor would want to do more tests especially to see kidney function.
https://www.onetouch.com/offers?utm_source=DISP_ONETOUCH_HOME&utm_medium=OneTouch&utm_campaign=2011DRTV
I can't find a free offer on the Bayer website. Sorry.