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Based on your previous posts for the kit you are looking at, I doubt that any local dealer will come to your house for free or even do it for a fee.
They won't know you in terms of your previous purchasing history, and they would have to carefully pack into boxes a couple of pairs of speakers, amps, etc and bring them round to your house in a van. then they would have to unpack them. After the demo they would have to pack them again, and unpack them when they got back to the store. That's a lot of time and effort that you would have to pay for.
This reminds me of when I was 13. We were doing a read-through of Richard III in our English lessons. The teacher unwisely gave me the part of Richard in Act V. When my big moment came, i went for cheap laughs: 'A hose, a hose! My kingdom for a hose!'
I don't know which kit you're interested in, and which country do you live in. In the UK, you would first demo kits at the dealer and create a rapport with them. Then, when you like a particular combination, you can ask for a home demo of the same kit. You certainly won't get a selection of speakers and amps to test at home together. You would normally be expected to put in a percentage deposit and restocking fee may apply if you decide not to buy anything at all.