YES! Is one the best way to start, having integrated a WP site, a POS, a LN node and other functionalities you need. Also they have a very good documentation page.

Alternatively you could use a LNbits instance with a separate WP instance. https://darth-coin.github.io/merchants/getting-started-lnbits-en.html

With LNbits you can have also a NOSTR market (like plebeian and shopstr) https://darth-coin.github.io/merchants/nostr-market-with-lnbits-en.html

Another alternative is to just run your own WP+Woocommerce site with Zaprite as payment processor platform, where you can add multiple forms of payment and backends.

Another alternative is to use https://cypher.space/ to build your own shop.

Never apologize for asking pertinent questions about how to use Bitcoin. Asking is learning.