... well (and what flopped)? What kind of incentives have driven the best results? (e.g., cash, discounts, extended free trials, extra resources, account credits, etc.) Did you build it in-house or use a tool? (Thinking about tools like Rewardful, ReferralCandy, etc.) Any unexpected challenges or things you wish you knew before launching? Would love to hear real-world examples of what s working (or not working) for SaaS referrals. Appreciate any insights ...