I mean, should I delete 99% of the products and leave only one in the whole store? all the campaigns were targeted on country,, and i put keywords according to the products in the store! I think I used about 150-160 in total (I don't know if it's a l...

Hello, I  have a problem and I don't understand why I have a conversion rate of 0, I have already run several campaigns on Facebook and Pinterest but in vain! I also need some advice on what I should do to increase my conversion rate. If I continue l...