Most email advice sounds the same, send on Tuesday, segment your list, and it is all fine. But that is not what is costing you money. That is sitting in your Klaviyo account right now: default settings, dashboard numbers that lie with a straight face, and inbox rules that changed without anyone telling you. Here are twelve we find in almost every audit, and how to fix each one.

You can increase revenue without spending more on ads by earning more from the traffic you already have. Get more visitors to buy, make every order worth more and get customers coming back, and revenue, ROAS and cost per customer all improve on the same budget. Spend more on ads last, not first.

Sending paid clicks to your homepage is a conversion problem, not a traffic problem. A matched landing page continues the ad's message, look, and promise, and can move cost per sale from hundreds of dollars to a fraction of that on the same spend. Build one matched page for your highest-spending campaign, test it against your current destination, then repeat by spend.

Almost every founder knows their ROAS. Far fewer can say what share of first-time customers ever buy again, and that second number tells you more about the health of the business than any acquisition campaign does. Here is how to find out why customers do not come back, and what to fix before you spend more getting new ones.

If you are somewhere between $250K and $1M and you have spent the last six months obsessing over acquisition, I would not stop acquiring customers. I would just spend some time looking behind you. Pull your first-time customers from the last year and see how many bought again. Find the average time to the second order, and look at what your best repeat customers bought first. Then go through your own post-purchase emails as a customer would, and ask whether they would make you more excited about the product you just bought, or whether they are just shipping notifications followed by promotions. Start there.

Because the first purchase tells you your marketing worked. The second tells you that you might actually be building something.

Related reading

A few EcomIQ pieces go deeper on the parts of this. The five numbers you should know cold covers the contribution margin, CAC, and LTV math that decides whether a repeat customer is worth chasing in the first place. Subscriptions aren't dead, badly built ones are is the piece on making recurring orders work only for the people who already want to come back, which is exactly the "subscription isn't a magic fix" point above. And you paid for the customer, Amazon kept them is on owning the relationship in the first place, so a second purchase is even possible.

TikTok Shop works best when you give it a specific role. Choose a trial, bundle or hero product that is easy to understand and gives the customer enough of an experience to judge it properly. Price it using the full cost of delivering the order, measure more than immediate revenue and make sure the product is strong enough to create demand after the first purchase.

On Black Friday, every brand sends more, discounts deeper, and shouts louder, and most of it disappears into a flooded inbox. The brands that win a $250K to $1M season do the opposite: they show up earlier, keep selling into December, lean on flows over blasts, and give the discount a reason. Here's the data behind a different game plan.

A hero product is built to win new customers, and it does that better than anything else. But a business resting on one product is a commodity, easy to copy and undercut on price, with no reason for a happy customer to buy again. Returning customers want to know what is next, so the second and third product is where a brand gets built, as long as each one is adjacent, serving the same customer for the same reason they trusted you first. Track the share of revenue coming from beyond your hero, and move it by finding your second product in what your existing customers already buy and ask for.

Google just reported its biggest quarter ever, while Google Search and other advertising revenue grew 17%. That does not prove AI has had no effect on search traffic, but it does show that Google has continued to grow its advertising business while expanding AI Overviews and AI Mode. For brands, the response is clear: make every paid visit work harder, build the authority needed to appear in AI-led search experiences, and invest in customer relationships you control.

Klaviyo has shifted from a tool you operate to software that finds opportunities, builds campaigns, and resolves customer conversations on its own, with both its marketing and service agents working off the same live customer data. For most brands already on Klaviyo it is worth using, if your data, segments, and brand voice are in order first. Start with the low-risk service questions, let it audit and build one campaign you review hard, then widen the scope. Use it for speed and volume, and keep a person owning the voice and the final call.

Most Shopify stores lack the traffic for a classic 95 percent significance test to ever resolve, so tests stall and teach nothing. Shoplift has replaced that pass-or-fail gate with a decision-first report: a Probability to Win, a Lift range, and plain stages including an honest "no consistent difference." It returns a usable answer sooner, but a faster reading does not create traffic, Probability to Win is easily misread, and no result should be acted on after a single good day. The real skill it supports is matching confidence to stakes: act on a directional read for reversible changes, wait for a clear winner on the ones that cannot be undone.

The more AI fills everyone's day, the more customers want something real, and the faster they spot content no person ever touched. Authenticity has moved from a nice word to a real advantage. Use AI for speed, then spend the time it buys on the human moments only a person can deliver: real replies, the founder's own voice, a note in the box, and a human owning the final call.

Amazon and TikTok Shop grow your sales but keep your customer. Without usable first-party data your lifetime value and repeat rate go blurry, and your buyer is one tap from a competitor. Use marketplaces for trial and discovery, keep the full range direct, and build bridges back with inserts and reasons to order from you. Own the relationship, not just the sale.

A homepage is built for net-new and organic visitors who arrive without much context. Paid clicks arrive expecting a specific message and need a landing page that matches the ad. Match the page to the traffic source and the same ad budget converts more.

If you cannot recall these five numbers right now, you are running a real part of your business blind. Contribution margin is what is left per order after every cost comes out. Blended CAC is every dollar that touches acquisition, not just Meta. LTV at 30, 90, and 365 days is the retention curve, not a single point. Conversion rate by device shows where mobile is quietly underperforming. Inventory runway is weeks of cover minus lead time on your best seller. Top-line revenue tells you almost nothing. These five tell you whether you have a business or just activity that looks like one.

Subscriptions still work. Badly built ones don't. Build the offer around a real decision point and a cadence that matches how the customer uses the product, remove friction the moment they need to change something, and choose convenience or discount deliberately based on your category. Do that and a subscription becomes an owned relationship worth years of lifetime value.

A study of 150,000 pages found that your top Google pages and your top AI-cited pages are usually not the same content.

Of the top 100 organic pages studied, 49 had zero LLM traffic during the entire one-month window.

How-to content, which fills most content calendars, gets cited by AI only 12% of the time. Trend posts and original data dominate.

Product and service pages generate more LLM traffic per organic visit than blog posts do.

GA4 undercounts AI traffic by default. Most LLM sessions are being miscategorized right now.

Three things you can do this month: make AI traffic visible in GA4, add an answer capsule to your top pages, and publish one piece of data you already own.