Twenty minutes with the person who builds these
Before you spend anything. Sometimes the answer is that you do not need new hardware, and that is a normal way for this to end.
We sell the machines too, and that is a conflict
The party telling you what you need also profits from what you buy. That is a real structural problem and not one a promise fixes, so here is where it stands rather than a reassurance.
Settled: the fee is published above, and it is charged whether or not you buy anything.
Not settled: whether any of the fee is credited against hardware and up to what cap, and whether we publish the share of engagements that end in no sale. Both are decisions nobody has made yet. When they are made they will appear here with the date they were made on.
Booking is not wired up yet — slots and deposits exist in the schema and the checkout, the calendar does not