If you are a contributor, I also encourage you to participate in Hacktoberfest. It is a great way to learn new skills, make a positive impact on the world, and have some fun!
From my Experience here are some tips for upcoming contributors:

*Start early. Don't wait until the last minute to start contributing. This will give you more time to learn about the project and to make meaningful contributions.

*Be patient. It can take some time for your contributions to be reviewed and merged. Be patient with the maintainers, and be willing to make changes based on their feedback.

*Don't be afraid to ask for help. If you are stuck on something, don't be afraid to ask for help from the maintainers or from other contributors. The open source community is very welcoming and helpful.

Here are some my accepted contributions this year #hacktoberfest23 event as #hack23contributor :

*https://github.com/elwinaugustin/e3aevents/pull/12
*https://github.com/elwinaugustin/e3aevents/pull/11
*https://github.com/elwinaugustin/e3aevents/pull/10
*https://github.com/elwinaugustin/creative-engineering/pull/8
*https://github.com/elwinaugustin/creative-engineering/pull/7
*https://github.com/elwinaugustin/creative-engineering/pull/6
*https://github.com/elwinaugustin/creative-engineering/pull/4
*https://github.com/elwinaugustin/creative-engineering/pull/5
*https://github.com/elwinaugustin/creative-engineering/pull/3
*https://github.com/elwinaugustin/creative-engineering/pull/2