How to prove ROI to ecommerce clients after BFCM 2026: a recap framework built on new customer share, contribution margin, and first-party vs platform gaps.
Post purchase survey attribution reveals discovery pixels miss. Sample questions, bias caveats, and a worked example reconciling surveys with clicks.
Use time between orders to decide when to suppress recent buyers, start retargeting, and test win-back offers, with 2026 benchmarks by vertical.
An ecommerce cohort analysis framework comparing discount and full-price customers at 30, 60, and 90 days on repeat rate, returns, and contribution.
What is a healthy LTV to CAC ratio for ecommerce? Why 3:1 breaks for low-repeat categories and how inflated platform CAC distorts the ratio.
GA4 vs Shopify revenue rarely matches, and ad platforms add a third number. Here is what causes each gap and how to reconcile them.
Marginal ROAS shows what the next dollar earns. How to spot diminishing returns on ad spend with spend-step data and know when to stop scaling on Cyber Monday.
Your loyal customers buy on Black Friday anyway. How to split new vs returning customers in ad reports so prospecting stops claiming their sales.
nCAC during BFCM: why returning customers make blended CAC look great while new customer acquisition cost climbs, plus a daily check for holiday week.
CAC payback period for ecommerce: the formula, a worked example with 30/60/90-day checkpoints, and how to use payback to decide when to scale.
