input question: how do you download a playlist on spotify?

output answer: go to the playlist, and click on the download switch until it turns green.

input question: How can I figure out if something is economical?

output answer: Look up its effect on your wallet, as well as the nessary materials to build it.

input question: Prevent fraying of stuffed animals when washing.

output answer:
Put in a lingerie bag before putting in wash machine.