English to Polish Marketing Marketing Selling

Przykłady z tekstu: (examples)

a) That could be an alternative, if you sell used or floor model products.

b) You could go from something pre-owned or used or demonstrated or floor model, if they called about that, maybe some promotion to something newer for the same payment.

c) You could go from new to used or a floor model, something someone else has used.

Czy chodzi o produkt z niższej/najniższej półki? (Does it mean a lower-priced product? With lower quality?)
Czy może jakaś inna forma produktu demonstracyjnego? (Maybe some other form of a demonstration product?)

Z góry dziękuję za odpowiedzi!
Thanks in advance!