Stained glass! (the church ones)?

I have a project and it about stained glass….i have to answer question as if im doing a business to sell this product. some of the questions are ” why does the market place need this project? who will this product appeal to? what would convince a person to buy this product? how many people will it take to make the product? how much will it cost? where will you make it? how much will a cost? how much money will you need for the first year? how are you going to sell it? how are you going to advertise? please help me out with this i need to find a website or websites for this project! thanks for helping! *hugs*