The online business owner's guide to knowing your numbers and actually using them - plus a monthly review checklist to keep you on track.
Most online business owners care about their numbers. They just don't always know which ones matter, where to find them, or what to do when they do find them.
So decisions get made on gut feeling. Memory. A rough sense that something's working - or isn't. And that's fine for a while, until you realise you've been pushing an offer that peaked 18 months ago, or putting money into a lead strategy that's bringing in people who never actually buy anything.
This guide walks you through 5 decisions every online business owner has to make - and the exact data behind each one. For each one, you'll see what to measure, what changes when you know it, and what the difference could mean for your income. There's also a monthly review checklist at the end so you can make this a proper habit.
Let's get into it.
When you're short on time - which is most of the time - you can't give equal energy to everything. But without data, the answer to "what should I push this month?" often ends up being whatever's newest, or whatever you feel most excited about that week.
Year-on-year sales trend tells you which offers are growing and which are quietly declining. An offer trending down two years in a row probably isn't the one to anchor your next launch around, no matter how much you love it. Meanwhile something ticking up in the background might deserve a proper push.
The funnel income vs launch income split matters too, because funnel income is your non-negotiable base - the offers earning without you actively promoting them. Knowing which offers pull their weight on autopilot vs which only earn when you're shouting about them changes how you plan your whole calendar. You lead with the anchors, then fill the gaps on purpose rather than randomly.
Not all subscribers are equal, and open rates won't show you that. Two list growth strategies can bring in similar numbers of leads at a similar cost, and one cohort converts to buyers at three times the rate of the other. Without tracking revenue by source, you'd never know.
Revenue per subscriber over time - at 30, 90, and 180 days after joining - is the number that cuts through all of it. It answers the actual question: are the people joining my list via this strategy buying things?
Some strategies take time to pay off. A bundle subscriber might take 90 days to trust you enough to buy. A summit lead might convert faster. Knowing the pattern means you're not pulling the plug on something with a slow burn, or scaling something that looks great at 30 days but drops off completely by month three.
Open rates tell you who found the subject line interesting enough to click. They don't tell you who bought. A flash sale email with a 28% open rate might generate twice the revenue of one with a 45% open rate - because the high-open one was a nurture email, and the other was a direct offer to a warm, ready-to-buy segment.
When you know which email types drive real revenue, you stop writing entirely from scratch every launch. You spot patterns in subject lines and send days that are worth repeating - not because they feel right, but because the numbers back it up.
A few launches in, this gets really useful. You can look at which day of your launch sequence historically converts best and time your strongest email to land then. That's not luck. That's your own data working for you.
Payment plans are great for conversions. They're also really easy to lose track of - especially when you're running multiple offers with different plan structures at once. A customer missing their second instalment doesn't usually announce it. They just go quiet.
Most people only chase defaults when they happen to notice them. Which is often late, and sometimes never. The gap between what you expected in split pay income and what actually lands in your account is a number worth knowing.
The forward planning piece matters too. If you know there's $2,400 in split payments due over the next 90 days, that changes how urgently you need to generate new income elsewhere this quarter. It's a real number, not a rough estimate.
Sales coming in is a good sign. But it's possible to have a solid revenue month while your list is quietly shrinking, your membership churn is climbing, and your longest-standing members are the ones most likely to leave next. By the time you feel it in the numbers, it's usually already been happening for a while.
Email list health is more nuanced than just unsubscribes. A lot of people stop engaging long before they ever click that button - they go cold. Open rates dropping month on month, click rates declining, revenue per email flattening out - these are all signs worth paying attention to, even if the total subscriber count looks fine on paper. A list adding 200 new people but losing 180 to unsubscribes plus another chunk who've simply stopped opening anything isn't really growing. It's treading water, and quietly getting less engaged.
For membership and retainer owners, average time before cancellation is one of the most useful numbers you can have. If most members leave after month three, you know exactly where to focus your retention efforts - not at month six when it's already too late, but in month two when it still makes a difference.
Work through these once a month after you've updated your data. If you can't answer something quickly, that tells you something useful in itself. Click to check them off as you go.
The Money Metrics Data Engine is an Airtable system that tracks all of this and connects it together automatically. Your full monthly review done in minutes not hours. All these numbers, always up to date, no manual cross-referencing required.
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