What are some good online businesses that are in high demand?

Im wondering what would be a good online business to start up. Like a movie selling website, an online health store, etc.

Im leaning more towards an online health store but i just want to see what you have to say about it. It would be supplements and healthcare items like acne, sexual health, everything i can think of.
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As someone with a new online business, I would say the first thing you need to figure out is what you topics you like, and if you're good at selling them.

I think sex is the most searched word on the internet so you would definitely have a large market to work with--but it's really all about starting something that is unique for you.

I would try to focus on a business idea that draws away from the conventional online businesses--even if you try a business with say, sexual health--do it in a way that is different..

Only you can determine which business is worthy for you to spend 15+ hours a day working on--cause trust me, in the beginning you'll certainly be working that hard.
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quest net is an online company that sells health and wellness products and it is totally legit www.quest.net you need a code to sign up so here is mine HZ170508