Blood sugar / glucose monitor?

I've been wobbling around at the borderline of diabetes for a number of years. I'm thinking I should invest in a monitor so I can check it maybe at least once a week

Anybody got suggestions for "bang for buck" AKA something that works and isn't overly priced? Evidently medicare is no help on this

Yes sir. Medicare is a BIG help if you get one of those Medicare Advantage plans. Blood pressure monitors and blood sugar monitors are provided at no cost. That's just the tip of the iceberg.