I was using Quicknode in my site, although there is a huge traffic incoming & I think Quicknode wont be able to sustain.
Would like to create my own node endpoint.
Solana has docs for this that should be able to help you get started! I also included some other helpful resources for RPC nodes specifically
https://docs.solana.com/running-validator
https://www.solana-validator-guidebook.com/solana-introduction/what-is-an-rpc-node
https://www.solana-validator-guidebook.com/validator-setup/rpc-startup-command