Meta Ads Sales Optimization

I want to scale a fresh batch of Meta campaigns across both Facebook and Instagram with one clear goal—drive more sales from brand-new customers. The ad accounts are set up and the pixel is firing, but the current ROAS is flat... (Budget: £20 - £250 GBP, Jobs: A/B Testing, Advertising, Conversion Rate Optimization, Digital Marketing, Facebook Marketing, Google Adwords, Instagram Marketing, Internet Marketing)