Brand registry worth it?

There are mixed opinions online. I am new to amazon and i listed a new product. I invested around 50usd by now on ads and had a conversion rate of 0.30 with around 80 clicks.i didn’t understand as i couldn’t believe that 80 clicks got me 0 sales and i burned around 50 usds only on ads. Amazon suggestion told me add A+ content to optimize my listing. Its gonna be big investment for me, so wanted to ask, is it worth it?