Went to the barber today. Paid in cash. He was having great trouble with his phone and payment system, as it had got damp - when I arrived it was to the unusual sight of a barber trying to blow dry a phone's interior via the charging slot!
Very unlikely anyone will dob them in! They still sell stuff in Imperial as well (or in both to be fair). It's only since I've moved here that they got a till - they used pen and cardboard till around 2006.
My wife works in a small secondhand bookshop (ie; small business). Many of the books they sell are for around £2.50.
The administration fees for debit cards plus charges for the technology/kit to process them can end up taking up to 5% off the sale price - which in itself isn't all profit.
My...