it's a great idea. i always think about the website where we can buy or sell anything by bitcoin
In this day it is easy to star such services. Everybody has internet in his cell phone and they can buy anything in the world and can pay from their Blockchain bitcoin wallet. Now the world is really a global village and for bitcoin and other cryptos there are no borders between the buyer and seller. They can contact each other in seconds and can deal. Reliability is must.