We are a commune of inquiring, skeptical, politically centrist, capitalist, anglophile, traditionalist New England Yankee humans, humanoids, and animals with many interests beyond and above politics. Each of us has had a high-school education (or GED), but all had ADD so didn't pay attention very well, especially the dogs. Each one of us does "try my best to be just like I am," and none of us enjoys working for others, including for Maggie, from whom we receive neither a nickel nor a dime. Freedom from nags, cranks, government, do-gooders, control-freaks and idiots is all that we ask for.
Do Not Call mostly works. The escape clause is the "established business relationship" where if you give your number to a retailer when purchasing an item, you now have an established relationship, and gives them the right to call you. Smart ones (retailers) don't. And your phone company, if it is Verizon, will incessantly call and want you to sign up for more 'services' to pad their bill. And if you have made a donation to a charity (or political party), and give out your real phone number, you have opened the door to follow-up phone calls.
So yeah, do not call mostly works. But the one thing that will make your phone go absolutely silent, at least for a couple of months after, is have it disconnected for a couple of days. I had two phone lines, and in the process of disconnecting one of them (the primary billing number), both lines were disconnected for three days. When my other number (the one everybody seems to have) was returned to service, the phone was absolutely dead silent for weeks.....not. one. single. solicitation. Of any type.
So, bottom line, is I often refuse to give out my phone number at the checkout these days. If the clerk insists, I refuse... and if they get persistent, I give them a bogus number (maybe somebody else's, but not mine).