$10k is decent amount of capital.Many businesses can be started with this much capital.A digital agency is something that can be started with low amount of capital and then scaled up big.It is a low risk,high potential business model.
If you prefer selling physical products,you can go the dropshipping way.With $10k,you can test a lot of products to find something that brings you good profits.
If you have interest in launching software products,you can get a high quality AI based software created for a few thousand dollars,JV with an established product launcher and get a fast start in the product launch field.
You can go the affiliate route as well.With $10k you can try out almost all the paid traffic sources.Start with a few hundred dollars then scale big when you find a source that brings you decent amounts of profits.