On 2015-09-24, Bill Wright wrote:

110Ah deep discharge battery sold through some disability industry
outlets: £149.95. Exact same battery sold for golf buggy: £60

Flightsafe device: £30. This is a three pin XLR plug with pins 1 and 2
shorted, in red plastic. This inhibits the scooter operation. Cost of
manufacture will be about £1.

115mm rubber tyred jockey wheel, 20mm bo Disability shops: £18.
Various other places: about £10.

Various scooter keys:
Shoprider on/off switch £10. This is standard plastic body toggle
switch: £1 from CPC etc.
Some old types of scooter uses a standard 1/4" jack plug, shorted out
internally, as a key. These are sold for £5 to £12 in disability shops.
Some other keys are on standard blanks and my local cobbler with turn
them out at £5 each, but if you buy from a disability shop they are
likely to be £12 to £15.

Are you complaining about the "free market"?