One of the things you must do if you are selling your textiles is to have 'proper' labels.
Since the definition of 'proper' is a legal one it is a good idea to know what the laws are for you. In Canada, labels for garments are required to be permanent (must withstand 10 cleanings), must have the fibre content in both official languages and care instructions. Fashion accessories and household textiles don't need to be permanent. You must also supply contact info.
I don't make garments to sell so I combine the above information on my hang tag and attach using a plastic stem gun.
The price is affixed to the tag on a small sticker that can be peeled off if it is a gift.
Getting the tags onto the textile is time consuming and fiddly but it must be done. Therefore I do it.
Stack of towels awaiting their hang tags.