I wouldn't say that it's unethical to test drive a product in a store and then buy it online. However, if you value that experience, you should take that into consideration when deciding who to purchase from. It costs more money to sell in a B&M shop that it does to to sell online. Rent at multiple locations, sales staff, and theft are overheads that the online vendors don't have, so you have to expect the price in the physical store to be somewhat higher. If you're not okay with the stores eventually going out of business and leaving you with online shopping as your only option, then you should probably be acting to keep those stores in business.
|