Hey @julisavio,
Take a look at https://smartsteem.com/ and https://smartsteem.com/invest/delegation.
In your case, Vote-Selling might be attractive as well, since you don't have to delegate your SP away and can continue to upvote manually.
If you have more questions, feel free to join us on discord: https://discord.gg/vSD7xgs
Smartsupport