Choose what to promote ? constantly promoting bad products will hurt your credibility. It is best to choose what to promote. pick products that have quality and are really in demand. good research will give you hints about what solve people problems . If you focus on choosing the right products to promote, your credibility will rise and your presence online will be felt. There will come a time that everything you say will be considered and taken as fact.give the products a try yourself before recommending them to others