Is very possible starting up a business without capital all you need is your ability of pursuing success.
Affiliate marketing is a business you can venture into without capital and still make good money from it, even more than some businesses started with capital.
Affiliate marketing is the process by which a person earns a commission for marketing another person's products.
All you need to start this business is good communication skill in other to sell the product of the other person and get a commission for doing that.
You can decide to market product of different company or person's at same time by doing this you are sure that everyday someone will buy from one of those product's there by making money every day.
When you become an expert in affiliate marketing you will start making profit every day of your life.
For influencers, this is an easy way to make money out of affiliates. Their brand name and reputation is the one that will be trusted by their signees or referrals. But if you're an ordinary guy and try to see your future in here, you should be doing other things as well while you're building your presence through different means like in articles/blogs, vlogs and any other ways you're building your community because trust and influence is what will make you a lot of money out of it.
It's easy to create a YouTube account, but establishing a community or a lot of subscribers is not that easy, especially if you're just looking for a niche that will flood you with viewers. That's because the battle with YouTube even on the Facebook platform has stricter and higher requirements compared to YouTube.
But when you find your niche and you get the attention of viewers because they like your content, you just maintain that to monetize your account. Then that's when you start making money without spending any money. So the only investment you really have is patience, time, and effort.