Guides
Field notes from 300,000 records
No listicles and no theory. These are the methods we use on client work, written up properly — including the parts that are inconvenient for us to admit.
Latest
All guides
Fifteen in-depth guides, each based on work we have actually delivered.

Web research · 11 min read
How to find anyone’s work email address
Nine methods ranked by how often they actually return a working address, including the free ones tool vendors leave out.
Read the guide →
Data operations · 10 min read
How to clean up a messy spreadsheet
The formulas we use on client files, in the order they must run — plus when doing it yourself stops making sense.
Read the guide →
Sales operations · 10 min read
Lead scoring without a data team
Build a working model in a spreadsheet, calibrate it against real deals, and know when AI scoring is worth paying for.
Read the guide →
Data operations · 9 min read
What B2B data enrichment costs
Real price ranges for tools, APIs and services — and the cases where enriching your list is a waste of money.
Read the guide →
Lead generation · 10 min read
How to build a B2B email list that doesn’t bounce
Why purchased databases fail, what a 2% bounce rate does to your domain, and the process that avoids both.
Read the guide →
Lead generation · 9 min read
What $200, $500 and $2,000 of B2B leads gets you
An honest breakdown of each price tier, what is quietly left out, and the questions that expose a bad quote.
Read the guide →
Sales operations · 9 min read
How to define an ideal customer profile
Derive an ICP from customers you already have, with the five dimensions and a worked example.
Read the guide →
Data operations · 9 min read
Should you outsource data entry in the AI era?
AI now beats humans at a lot of this. Here is exactly where it fails — from a provider arguing against itself.
Read the guide →
GoHighLevel · 8 min read
How to Find and Remove Duplicate Contacts in GoHighLevel
GHL matches on email and phone only. Here is why duplicates persist, and the fuzzy-matching method that actually catches them.
Read the guide →
GoHighLevel · 7 min read
How to Import Contacts into GoHighLevel Without Duplicates
The import takes ten minutes. Everything that goes wrong afterwards was decided in the file you uploaded.
Read the guide →
Pricing · 7 min read
How Much Does CRM Data Cleaning Cost in 2026?
Nobody publishes this clearly, so buyers compare hourly rates and pick wrong. The full cost structure on both sides.
Read the guide →
CRM · 9 min read
How to Clean CRM Data: A 7-Step Guide That Actually Works
Most cleanups fail because people delete before they measure. Here is the order we work in, and why each step comes where it does.
Read the guide →
Deliverability · 7 min read
Why Your Cold Emails Bounce — And How to Fix It
A bounce is a permanent withdrawal from your sender reputation. The four causes and the four-layer fix.
Read the guide →
Lead Gen · 8 min read
LinkedIn Sales Navigator vs Apollo.io: Which One in 2026?
This usually gets written by someone selling one of them. We pay for both, monthly, and use them for different jobs.
Read the guide →
Operations · 8 min read
Outsourcing vs In-House Data Entry: The Real Cost
The hourly rate is the least useful number in this decision. The full cost stack on both sides.
Read the guide →One data tip every Tuesday
Short, practical, no sequence. Unsubscribe whenever.