I have found that it's prudent just to listen patiently to help them to finish and then decline. My personal websites for DIY repairs are: The Samurai Appliance Guru, Repair 2000, and also the Natural Handyman. (Thanks, Maggie May). https://groups.google.com/g/giftcard-mall-my-gift-info/c/lJb4jNQqwjY