FWIW, I am writing a book about how to find and test such niches: http://www.howtofindsaasideas.com http://www.howtofindsaasideas.com (Apologies for the terrib

FWIW, I am writing a book about how to find and test such niches: http://www.howtofindsaasideas.com http://www.howtofindsaasideas.com (Apologies for the terrible landing page).