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Lead response, ISAs & AI calling — the sourced guides
Last updated: July 2026
Everything here is written the way we wish vendor content were written: every statistic traced to its primary source, every price in real dollars, every claim linked. No gated PDFs.
Every Speed-to-Lead Statistic, Actually Verified
The MIT/InsideSales 100× stat, HBR's 42-hour average response, WAV Group's 48% no-response rate — every number verified, sourced, explained.
What Is an ISA in Real Estate? (And Do You Need One)
What inside sales agents do, what they cost in 2026, and when a solo agent actually needs one.
Human ISA vs AI ISA: The Real Cost Math
In-house ISAs run $4,600–7,100/mo fully loaded. Services charge $1,150–5,000/mo on contracts. AI starts at $199.99. Line-by-line sourced math.
The Best AI ISA Tools for Real Estate, Honestly Ranked
Six AI ISA tools with real prices: Cadence, Structurely, Ylopo rAIya, CINC Alex, Real Geeks Geek AI, and DIY voice builds.
TCPA & AI Calling: The 2026 Compliance Guide
The FCC ruled AI voices are 'artificial' under the TCPA. Consent rules, quiet hours, opt-outs, and $500–1,500 per-call damages.
Don’t take our word for it — call the AI yourself.
This number rings straight to Cadence playing a fictional brokerage’s agent. Grill her like a real lead would.