GoSolr, a leading South African provider of residential solar subscription solutions, faced the challenge of substantially increasing digital media investment to generate more leads while simultaneously lowering the cost per acquisition in a highly competitive market. To navigate this, they began by thoroughly auditing their digital ecosystem, identifying key areas for enhancement and establishing detailed user journey tracking to visualize and optimize the customer funnel. This foundational work allowed for targeted multivariate testing of advertisements and landing pages, refining strategies based on performance data. Tailoring messaging and budget distribution to regional preferences across multiple ad channels ensured maximum effectiveness. As a result, GoSolr achieved a 300% increase in media spend and a 72% reduction in cost per lead, significantly enhancing marketing efficiency and market reach.