Online business idea. Is it viable?

Hey reddit, I started selling customizable items online. I was branching out to influencers to make some for them to help monetize their followings and gain traction on my own website. This lead to an idea, I could create a website that targets these influencers in order to help them monetize their channels with my product. We stitch their unique design on our product for them and sell it on our site with a blog about them and they receive 30% commission on sales. To start there would be a pre-sale and if they get over 50 sales within a month we would put it into production. We'd charge them $20 for the design, blog post, and campaign setup. Any ideas or flaws seen in doing this? I feel like small time social media influencer have a hard time finding less expensive ways to monetize their channels.

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