is there a way to move bundles from sandbox to production or do i need to reinstall in production and make all changes? i think the answer is probably the latter but want to double check

Try this https://technologyblog.rsmus.com/netsuite/bundling-and-transferring-sandbox-customizations-in-netsuite/

@Amtoj, not sure if the blog covered this, but I had trouble sharing a bundle I created in SB with my Prod. This helped me: Answer Id: 75360