With the price of yarn these days it is almost hard to imagine that crochet could save money. But it can, in specific ways worth being precise about.
The obvious objection first: crochet takes time, and time is money. Factor in the hours and a handmade item costs more than a shop-bought one.
That is true, and it is only relevant if you would otherwise have been earning during those hours. Most crochet happens in the evening, in front of the television, in time that was never going to be paid. Counting it at an hourly rate is comparing against something that was not on offer.
Where it genuinely saves
Things that are expensive to buy and cheap to make. Character hats, baby blankets, novelty items – anything where the shop price reflects design and branding rather than materials. A hat that costs twenty-five pounds uses about three pounds of yarn.
Gifts. This is the biggest one. A handmade gift that would cost thirty pounds to buy might cost five in yarn, and it is valued more highly. Across a Christmas list that is a substantial saving.
Replacing things you would buy anyway. Dishcloths, face cloths, blankets, hats and scarves. These are all bought regularly, and cotton dishcloths in particular cost almost nothing to make and last far longer than shop ones.
Mending and extending. Reinforcing worn elbows, adding a crocheted edging to lengthen a garment, replacing a lost mitten rather than the pair.
Where it does not save
Anything competing with cheap mass production. A plain jumper can be bought for less than the yarn costs, and no amount of efficiency changes that.
Make those things because you want a better one, in the colour you chose, that fits – not to save money.
Making the yarn go further
Buy for a project. Yarn bought speculatively and never used is the largest waste in most people’s stashes.
Use what you have. A blanket from oddments costs nothing and looks intentional if you use a unifying colour throughout.
Unravel charity shop sweaters. A wool jumper for a few pounds yields far better yarn than anything you could buy new at that price. Wind it into a hank, wash it, and the kinks fall out.
Watch for sales and discontinued lines, but only for yarn you have a use for.
Choose acrylic where it suits. Blankets, toys and children’s items are all better in acrylic anyway, on washability grounds, and it costs a fraction of wool.
The honest summary
Crochet saves money on gifts, on household basics, and on anything where the shop price is mostly not materials. It does not compete with fast fashion, and it is not trying to.