Sorry for the long delay.
At the time, when my Endo was suggesting pumps, I was travelling a lot, for business, in the US, Canada and overseas. Often, I would be in quite remote locations so I asked how would I handle a pump failure in such a location. The answers always defaulted to "oh, you need to carry an emergency supply of pens/ syringes etc etc...", so I figured that a CGM would be ok as it is a support type device, and I could live without it if it failed. The Dr, screwed up and prescribed a pump so, when it arrived, I noticed that it had the CGM function and I just left the little red plastic plug in the insulin vial port; and it's been there ever since.
Since then, I have sailed about 13,000 nautical miles, including ocean crossings, and am still alive. I also found the Walmart Glucose meter to be a great tool. simple, but functional, and cheap to operate. I am not so decrepit that I can't input the readings into the CGM so it all works quite well.
Hope that helps in your search for good BG control, with simplicity.
And yes, I have a prescription with Medtronics, but, since Medicare denies coverage, I pay cash, and get about 40% discount.