The indoor market still exists and until very recently the second hand stall was extant. But when I visited the market a few days ago the stall was not in situ ;whether this is a permanent absence or not I do not know.
Bargain from TMS Models for Hornby Class B17:
https://tmsmodels.biz/product/oo-br-class-b171-4-6-0-tender-locomotive-rn-61637-thorpe-hall-lined-green-livery-early-emblem/
Rails of Sheffield have a Clearance Sale on including , for example ,Bachmann 32-881 for £79.50.
The "fat finger" seems to have been in use for some of the RRP's as indicated ie. over £1000 !