About to launch my site, any advice for me? Thanks in advance

I have been working on my shopify site for over 3 months now. Adding over 300 products, writing descriptions, trying to optimize page titles and meta descriptions for each page and collection has been a TON of work.
I feel like I am finally to the point where I am ready to let my site out in the wild and see how it does. This forum has been a great resource for me but I am wondering if anyone has any advice for me before I take the password off and launch it.

I know a lot of you have been…

About to launch my site, any advice for me? Thanks in advance