Focus on reviewing products that fall within your niche. Then, leveraging the rapport you have created with your audience and your stance as an expert, tell your readers why they would benefit from purchasing the product you are promoting. It is especially effective to compare this product to others in the same category. Most importantly, make sure you are generating detailed, articulate content to improve conversions.
On the other hand: the main reason of bankruptcy for small businesses is bad financial management. Simply said: to forget to make invoices, not checking the payments and not following bad payers. 1 out of 3 is going bankrupt for this reason alone. I had to learn it myself. I spend at least 10% of my time with financial stuff. I don’t love it but the bills get payed ;-)

Can you make money with affiliate marketing? The short answer is yes, affiliate programs can earn a extra money and even a full-time income from home. The long answer is a little more complicated. Like any home income venture, success comes not so much from what you choose to do to make money, but whether or not you do what needs to be done correctly and consistently.