Like I said, I understand what you are saying. In an ideal world certainly this should be the approach.
I went to the store looking for a DS3231, that is apparently what people use for helping keep time. I went to the only shop in this city that sells a DS3231, and purchased it. I did not even know there were different types of these things. I could order a different one online, but the cost and time of doing this is prohibitive. I am not sure what you are suggesting I do differently? Are you suggesting that it would be better to spend $50 in shipping and wait 4 weeks?