B
Evidence Grade B
Graded
under review
Safe to Cite
Current
25%
25% -- profit margin uplift for referred customers (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
25%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
waitlister.me
Primary
Tier C
https://waitlister.me/growth-hub/guides/what-is-a-waitlist ↗
Source Article
What Is a Waitlist? Definition, Examples & How They Work (2026) | Waitlister
What is a Waitlist? The Complete Guide to Product Launch Success
When Robinhood launched their commission-free trading app, they didn't just open the doors and hope people would show up. Instead, they built a waitlist that attracted 1 million users before the product even existed—and two-thirds of t…
Original Research
waitlister.me
· Original study ↗
Methodology
Research cited by vendor blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
referred customers: 25% profit margin uplift. Source: waitlister.me (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/referred-customers-profit-margin
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<blockquote cite="https://lighthousedata.io/data/referred-customers-profit-margin" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- profit margin uplift for referred customers<br><small>Source: waitlister.me (2026) · <a href="https://lighthousedata.io/data/referred-customers-profit-margin" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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