Are expensive sewing machines worth the money?

Up to a point the difference is enormous. Past that point you are buying convenience, not better seams.

What money buys that genuinely matters. A rigid metal internal frame. Better feed, so layers do not shift. More presser foot lift, so you can get bulk under the needle. A motor with enough torque not to stall in thick fabric. A better hook and bobbin case. And quality control — the machine sews a correct stitch out of the box instead of needing a dealer to make it right.

What money buys that matters less. Hundreds of decorative stitches. A large screen. Alphabets. Automatic thread cutting and tie-off. A needle threader. Stitch memory. These are pleasant and some are genuinely nice to live with, but not one of them makes a seam straighter or stronger.

The shape of the curve. Between the cheapest machines and a solid mid-range one, the difference is transformative — a machine that stalls, flexes and will not hold tension against one that simply works. Between a solid mid-range machine and the top of a range, the difference is real but small, and mostly comfort.

Where the same money often does more. A service on the machine you already own. A walking foot. Better needles and better thread. An overlocker, if finishing is your bottleneck. Good light and a table at the right height. Any of these changes results more than a more expensive machine does, for most people.

And the answer nobody selling machines gives: a used, serviced, metal-framed machine from a dealer is usually the best value on the market.