There is currently a limit of 10 URLs per product for Price Comparison Pro. If this is not enough, please let me know and I’ll increase the limit.
If you use shortcodes, there is no limit.
If you wish to import product URLs and affiliate URLs directly into your site using WP All Import, please import into these 2 fields:
For the 2nd url per product, it’s producturl2, pcproaffiliateurl2 etc.