From the folks at WooCommerce….
How To Estimate On a WooCommerce Project – 9 Client Questions
It’s probably one of the most common questions you’ve been asked in your professional life: “How much would a new WooCommerce store cost us?”. Any of its variants count as well: “how much will you guys charge us to build that extension?”. If you’ve worked on a WooCommerce project, you get the gist.