Portals are the default because they are the easiest to buy. You pick a ZIP code, you pay, leads arrive. The economics are the problem, not the delivery.
A portal lead commonly costs $150-$300 and is routed to several agents at once — sometimes within the same minute. Industry close rates on shared portal leads sit between 2% and 4%. Run that math: at $200 per lead and a 3% close rate, you are spending roughly $6,700 in lead cost for one closing before you pay a single agent.
The strategic issue is worse than the arithmetic. You do not own the traffic, the landing page, the data, or the price. Every renewal is a negotiation you are structurally losing, because their inventory is scarce and your alternatives are the same three competitors.
Where portals genuinely fit: as overflow volume for agents who answer in under two minutes and already have a working follow-up cadence. Never as the foundation of a brokerage pipeline.