Hmmm!!! you are right before starting any business we must have to know all the information regarding the business. Retail industry is proving to be a lucrative and a financially beneficial; in this you can earn a good amount of profit. I know one site which will tell you each and everything about a retail business. Visit this link
http://www.2ono.com/Retail-Business.html . Hope it will help you in starting a retail business.