Which are the fastest ways to make $100 from scratch?
Go to fiverr and sale your services. All you need is 4-5 jobs per day. And you will make $100 in just one week.
Start an affiliate product with good commission rates in your niche and start promoting it in your blog.
Buy from fiverr and sale it on high prices in sites like Upwork.
Choose a suitable affiliate product and start promoting it through ad campaigns.