How Much Did It Cost to Buy and Install Quartz Countertops?

Image Credit: Tara Bussema via Houzz | Kitchn

We're asking readers to share how much they spent on a given item, project, or upgrade in the kitchen. We hope this information proves helpful to anyone needing to get a basic sense of how much that something costs.

Today's query:
How much did it cost to buy and install quartz countertops?

If relevant to you, please share any and all details on purchasing and installing your quartz countertops. What did it entail? How much were the materials and the labor? Did you do it yourself or did you hire it out? What problems came up?