Characters in classic literature like “Les Miserables” have sold their locks as sacrificial gestures.

You’ll probably need to let your ‘do grow out: Long hair is more in demand than short.

How much you’ll get for your hair also depends on its thickness, texture and color.

Woman smiling long hair scissors

Thick, straight hair is preferred over thin or excessively curly strands.

Avoidhot rollers, curling irons, and other heat treatments, and get your ends trimmed every six weeks.

(Taking vitamins and eating well can improve hair health, while smoking can causehair loss.)

Woman having long braid cut off

Include a photo of your hair that shows off its color and condition.

The hair sites offer some cautions: Don’t cut your hair until you actually have a legitimate offer.

Use PayPal for payments; don’t accept a money order or personal check.

Cut off long blonde hair

Have a sealable plastic bag ready to collect the ponytail, and follow the buyer’s shipping instructions.

Good luck with your big chop!