Looking for some advice, new seller + buybox

Hey guys just sent my first couple batches of inventory to Amazon. All my products are FBA and buy box eligible. Unfortunately, out of 20 plus ASINS, I was only able to get the buy box one time on 1 ASIN. And I didn’t even get a sale.

Mostly selling cosmetics, pet food and tools.. they range from selling from 15 to 3000 plus units a month. I am the lowest price or tied on most listings but my sales are still zero.

I assume Amazon is making my life difficult because I am a new seller or because it is prime day.

Is there anything I can do to build up a little history with Amazon? Maybe run a sale?