Not a great idea. Black hat SEO is an approach to search engine optimization (SEO) that focuses on gaming the system and disregards the human experience. These practices don’t follow search engine rules, and search engines can exclude entire sites for using them. The colorful term “black hat” comes from old Western films in which the villains wore black hats and the heroes wore white hats so viewers could tell them apart in the days before Technicolor.
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.