MIL: "Oh, don't worry about it, we'll carry the [extremely heavy, requiring two hands] crocks down to the basement."
Me: ".... no please don't."
Me: "You can sign up for a membership to [local nature garden] online, it's super easy."
FIL: "I just don't trust the internet."
Me: "Don't worry, all your financial transactions are processed there anyways!"
MIL & FIL, repeatedly: "There's just nowhere to put this."
Me: "You could get rid of it."
Them: "We just can't bear to let it go. We'll put it in the basement."
Me: "Okay! The garage sale will just be that much bigger when you die."
(I do actually care about them and want them to be okay, but a a certain amount of snark is needed to deal with people who LITERALLY brought almost 30 tables, 45 chairs, and a five-foot-high pile of rugs to a six-room house.)