Donate the linens to people or organisations in need, and put a smile on someone's face...

"Regardless of whether or not a hotel benefits from donating their linens, such a gesture of goodness can bring a smile to someone. Duvets could keep someone warmer in the winter, while a sateen striped sheet could add delightful comfort at night in the summer.

Animal shelters sometimes need fabrics to wrap animals with, as bedding, as enclosure coverings, and so on...

Animal shelters can use the older and more worn out textiles. Perhaps the bed sheets as coverings for the cages, or wrapping the animals with to keep them warm, or even as material to add padding to their bedding.

Professionally deep cleaning stained linens can make them reusable again as quality guest linens and save them from being discarded too early.