I need a way to change regular/standard pricing on products without having to change each and every product page.

Let's say I have 1,500 widgets to offer on my site and those widgets can be broken into 30 price groups. When the regular price of those pricing groups changes, I don't want to have to go to my site and make 50 individual changes (or how many ever is in that product group).

Currently, I create a txt file with pricing data and call it onto a page with php. So, when pricing changes, I change the txt file and it changes across the website. However, the WC pricing input will not accept php or a shortcode.

Need some way to make this happen