Charging A Fee To Demo An Amplifier In A Brick & Mortar Store

I Saw a pair of pre-owned tube monoblocs for sale on an onlline forum for around $17k.
The seller has a retail store for hiigh end audio. The seller mentioned that there will be an up-front fee for the demo if a prospect comes to the store the amps are not purchased. The demo fee may also be used for credit towards any purchase in the store.

This is the first time I’ve ever heard of this. Is this now a common occurance in high end audio stores? I sent a note to the seller asking what the demo fee amount was....two weeks and I didn’t get a response.

Does anyone know what amount of fees are charged for a demo?
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Well that's one retailer to stay clear of.
I know this outfit and the owner in particular. He attempted to charge me for a demo some years ago and I never retuned. Rude and unscrupulous he was in the brief interaction I had with him. Caveat emptor!
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Once upon a time, I entered a store and said I was interested in browsing what they had. I was not intending to listen to anything and made that clear. Salesperson said it would be $50 fee that could be applied to the purchase. I thanked him and left. I never stepped in again, but I did pass by many times and watched it close for good, as many stores have done since then.

Fast forward a few years and a few blocks away. I entered another store, made it clear that I was not in to buy anything, checked out first two rooms and had no pressure from the salesman at all. I went to one or two more rooms, ever increasing cost of the equipment shown, and was about to leave. Salesman told me I forgot to check the last room out and that I should as it was the best they had. Stack of dCS machines with other equipment to match performance and price and then some. I played some records and CDs, had a very relaxed chat with the salesman, and that was it. I bought a few things there over time. That store is still in business.