Hosting – This is where your new website will be hosted. You can start with just the most-basic plans of popular hosting companies. For example, Bluehost’s Basic shared plan already has a free domain included, plus everything you need to begin your affiliate marketing journey. It’s priced normally around $8, but is often on sale at $4/month. Like all hosting providers, the longer subscription you pay upfront, the bigger your savings.
If you live near a university, there are likely all sorts of research studies looking for participants. While I was an undergrad at Virginia Tech, I got paid $500 to participate in a 6-week dietary study. The study provided all my meals and paid me, but I had to eat a 5,000 calorie diet of 50% fat for 6 weeks, plus I had multiple muscle biopsies, urine/blood testing, etc.
The topic you choose must have enough depth that you can create a lot of content for it. This is important for building an authoritative site, for search engine optimization, and most importantly, for the end user. If you don't have enough content about a topic, you're not going to be taken very seriously as an authority on the topic and it's unlikely you can convince someone to make a purchase from you.