add sponsor win-win note to plan

index.html

@@ -1198,6 +1198,8 @@ ${phases.filter(k => k !== '3xL7').map(k => {
 
 ${selfCost > 0 ? `**Your total self-fund: $${selfCost}**${selfCost > giftCost ? ` (you cover $${(selfCost - giftCost).toLocaleString()} after sponsor's gift)` : ''}\n\n` : ''}Once you've earned enough from one phase, use those profits to unlock the next level up. Rinse and repeat until you're running 3× L7 campaigns.
 
+As a side note — your sponsor earns 10% of everything you get paid through this system. Eventually they'll get their money back, but that's not the point. They genuinely just want to pay it forward and help you get started. You win, they win — we both win together.
+
 Estimated time to 3× L7 endgame: ~${totalMonths} months
 
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