Its a little frustrating that the author didn't include a cost for the project. I understand that some if not all the parts are generic and can be swapped out,

Its a little frustrating that the author didn't include a cost for the project. I understand that some if not all the parts are generic and can be swapped out, but a ballpark sum would be helpful to compare against products like this: https://sundanzer.com/product/dcr165-dcf165/ https://sundanzer.com/product/dcr165-dcf165/