Digital creators and brands on Gumroad need eye-catching promo videos, product demos, and social shorts to drive sales of courses, templates, and assets—but manual editing is slow and expensive. This creates a perfect agency niche: combine Reeroll (AI chat-based video editor with templates) and Fish Audio (expressive TTS & instant voice cloning) to deliver polished, voiced videos fast. This guide shows how to launch a “Done-for-You AI Promo Video Agency,” creating batches for Gumroad sellers on retainer, capitalizing on the 2026 digital product sales boom.

Gumroad creators, course makers, and digital product sellers need professional voiceovers for audiobooks, online courses, tutorials, and promo videos—but hiring voice actors is expensive and slow. This creates a perfect agency opportunity: combine Reeroll (for chat-based AI video editing & promo clips) with Murf.ai (for ultra-realistic, customizable TTS & voice cloning). This guide shows how to launch a “Done-for-You AI Voiceover & Promo Agency,” delivering narrated digital products and marketing videos on retainer to Gumroad creators.