What should you document first when you want to step back?

When you want to step back, document the decisions you make most often and the things only you know, in that order, because those are what the business stalls on when you are gone. Do not start with a full manual, start with the questions you answer every week and the knowledge that exists nowhere but your head. A caterer should write down how she prices a last-minute order before she writes down how to fold napkins, and an e-commerce owner should capture how he handles a chargeback dispute before he documents how to restock a shelf. High frequency and high risk first, everything else later or never.

The reason most owners document nothing is that they think documenting means writing down everything, which is an impossible project, so they never begin. The trick is to accept that you will never capture it all and to only capture what actually holds the business hostage to you. That is a much shorter list, and it is the list that buys back your time.

What should you write down first?

Write down the decisions that are both frequent and consequential, because those are the ones clogging your day and the ones people cannot safely guess at. If you make a certain pricing call twenty times a month and getting it wrong costs real money, that rule belongs at the top of the list, ahead of anything that happens rarely or that a reasonable person could figure out on their own. Frequency times risk is your priority score, and you attack the highest numbers first.

Right beside those, capture the things only you know, the context that has no other home. The reason a particular client gets handled a certain way, the history behind a policy, the workaround for a recurring problem, the supplier quirk everyone learns the hard way. When that knowledge lives in one person, a whole area of the business goes dark the moment that person is out, so getting it onto paper is not tidiness, it is insurance.

How do you know which knowledge is most at risk?

The most at-risk knowledge is whatever would cause a problem if the person holding it were unreachable for two weeks. Run that test in your head across the business and the danger spots light up fast: the process nobody else understands, the account only one person can service, the fix that lives entirely in someone's experience. Anywhere the honest answer is that things would break, you have found something that needs documenting now.

Pay special attention to the knowledge that is invisible because it works. Nobody flags the thing that has never failed, which is exactly why it is dangerous, because the day the person who quietly holds it leaves is the day everyone discovers it was never written down. The stuff that never causes trouble is often the stuff most tied to a single head, and the most expensive to lose without warning.

You do not have to document everything, you have to document the handful of things the business cannot run without you knowing.

How does a little documentation compound?

A little documentation compounds because every rule you write down is a question that never reaches you again, and the time it saves recurs forever. Answer a recurring question once in writing and you have not saved yourself one interruption, you have saved yourself that interruption every week for as long as the business runs, plus every time you would have re-explained it to someone new. The first hour of writing pays back for years.

It also builds on itself. Each documented decision makes the next one easier, because the context is already there to reference, and a team that gets used to checking the written answer stops defaulting to asking you. Slowly the balance tips, from a business where the answers live in you to one where they live in the system, and that tipping point is where stepping back goes from a wish to a real option.

Should you document as a project or as you work?

Document as you work, not as a project, because the big documentation project is the one that never gets done. The moment you decide to block off a week to write everything down, it gets pushed for something urgent and never returns. Instead, keep a document open and add to it in the flow of the day: every time you answer a repeat question or make a decision someone else could have made, write the rule down right then, in a sentence or two.

This is how the capture actually happens, in small pieces, at the exact moment the knowledge is in front of you and fresh. When the system is built to capture these decisions as you make them, the documentation grows on its own out of the normal work, and in a couple of months you look up and realize the answers that used to live only in your head now live somewhere the whole team can reach. You never ran the big project. You just stopped letting the knowledge evaporate.