A Weekly Sourcing Workflow for UK FBA Sellers
For sellers stuck between £3k and £10k a month. A fixed weekly shape, the order of operations that makes it work, and the three places time actually leaks.
Most sellers stuck between £3,000 and £10,000 a month do not have a knowledge problem. They can look at a deal and judge it correctly. What they do not have is a process — so every week starts from scratch, sourcing happens when there is time, and the same products get checked and rejected repeatedly without anyone noticing.
This is a working shape for a week. Not a theory: a sequence, an order of operations, and the specific places where time leaks.
Why order of operations matters more than tools
The default intermediate workflow is: find a product, check it, decide. Repeat. It feels productive and it caps out quickly, because the expensive checks happen on every product instead of only the survivors.
A better sequence is a funnel, cheapest filter first:
- Generate a wide list of candidates cheaply
- Filter it down on data you already have, before any manual work
- Verify the survivors properly — eligibility, price history, competition
- Buy, and record why
- Track what it actually did, and feed that back into step 2
The gain is in the ratio. If verification takes three minutes and buying takes one, then checking 300 products by hand is fifteen hours. Filtering 300 down to 30 first, then verifying those, is under two.
The weekly shape
Monday — generate
Build the candidate list for the week in one block. Whether that comes from supplier price lists, a lead feed, retailer clearance pages or a catalogue filter, do it all at once and do not assess anything yet. Assessing while generating is what turns a 45-minute job into an afternoon.
Aim for volume here. At a realistic 1-3% hit rate, a list of 40 candidates is not a week's sourcing — it is one buy if you are lucky.
Tuesday — filter, ruthlessly
Cut the list down before any manual checking, using only what you can decide from data:
- Below your ROI or profit floor — gone, no debate
- Amazon on the listing — gone
- More sellers than you are willing to compete with — gone
- Already in your rejection log for a durable reason — gone
- Category you have decided not to touch — gone
Expect to lose 90% or more. That is the filter working. A stage that removes almost nothing is not a filter, it is a formality.
Wednesday — verify the survivors
Only now does anything get opened properly. For each survivor:
- Can you actually sell it? Check gating first — it is the cheapest way to eliminate a product, and the most expensive thing to discover after you have bought.
- Is the price real? Look at history, not today. A spike is not a selling price.
- Is the demand real? BSR in context of its category, and how steady it is.
- What happens when you arrive? If four sellers are already splitting the Buy Box, your arrival makes five. Price accordingly, or move on.
Thursday — buy, and write down why
Place the orders. Then record, for each: what you paid, what you expect to sell at, your expected ROI, and the reason you bought it.
That last field feels like admin and is the most valuable thing in the whole week. In two months it is the only way to tell the difference between a decision that was wrong and a decision that was right but unlucky. Without it, every seller drifts toward believing their winners were skill and their losers were bad luck.
Friday — reconcile
Thirty minutes. Compare what you expected against what happened:
- Which buys sold at the price you assumed?
- Which are sitting, and why — priced wrong, or demand you misjudged?
- Which suppliers or sources produced the buys that actually worked?
This is the step nearly everyone skips, and it is the one that compounds. It is how you find out that one source produces most of your profit and another has produced none in three months.
The three places time actually leaks
- Re-checking rejects. Without a rejection log you will re-check the same products every few weeks forever. Log the ASIN, the date and the reason. Gated, Amazon on listing, and too many sellers are durable. “Price too high” is temporary and worth revisiting when a retailer discounts.
- Deciding what to do each day. A fixed weekly shape removes a decision you were making every morning. That is worth more hours than it sounds.
- Checking one product at a time. The number of deals you find is mostly a function of how many you can assess, not how sharp your judgement is — assuming your judgement is already sound. If it is not, fix that first; volume applied to bad judgement just loses money faster.
What changes at £10,000 a month
Two things start to matter that did not before.
Holding the Buy Box becomes worth more than finding another deal. At low volume, one more buy moves the needle. At higher volume you already own stock that is not selling because someone undercut you by 20p. Winning the box on inventory you already paid for is usually the cheaper win.
Knowing your real per-unit profit stops being optional. Estimates are survivable at ten SKUs. At a hundred, small errors compound quietly, and the usual discovery is that a product everyone assumed was a winner has been marginally loss-making for months once returns and storage are counted.
Writing it down
Whatever version of this you settle on, write it down. Not for a VA, or not yet — for you. A written process is the only way to tell whether a bad month was the process failing or you not following it.
It is also the prerequisite for ever handing sourcing to anyone else. A VA cannot absorb judgement you have never articulated, and the act of writing it down usually reveals which of your rules are real and which you invented once and never questioned.
Want to learn this live, with me?
I run a 6-week Wholesale Masterclass cohort. Capped at 10 students. Weekly 1-on-1s. Cohort 1 starts 1 June 2026 from £199 (Inner Circle members).
See the Wholesale Masterclass →Frequently asked questions
How many hours a week does an Amazon FBA sourcing routine take?
Once the routine is fixed rather than improvised, most UK sellers doing £5,000-£20,000 a month spend 6-10 hours a week on sourcing and ops. The gain is not from working faster — it is from stopping the two things that eat the time: re-deciding what to do each day, and re-checking products you already rejected weeks ago. A rejection log and a fixed weekly shape typically save more hours than any single tool.
Should I keep doing OA once I start wholesale?
Yes, for longer than feels necessary. Wholesale accounts take weeks to open and the first orders are often disappointing while you learn a supplier's real terms. Arbitrage funds that period and keeps cash moving. The sellers who stall are usually the ones who stopped arbitrage the moment their first wholesale account opened, then had nothing coming in for two months.
What is a realistic hit rate when sourcing?
For online arbitrage, roughly 1-3% of products checked end up being bought. That sounds brutal until you realise it is why bulk checking matters: at a 2% hit rate, checking 1,000 products a week yields around 20 buys, while checking 50 by hand yields one. The number of deals you find is almost entirely a function of how many you can assess, not how good your judgement is — assuming your judgement is already sound.
How do I stop rechecking the same products?
Keep a rejection log with the ASIN, the date and the reason. Gated, Amazon on listing, and too many sellers are usually durable reasons — worth re-checking only every few months. Price too high is temporary and worth revisiting when a retailer discounts. Without a log you will unknowingly re-check and re-reject the same products every few weeks, which is the single biggest hidden time cost in an intermediate seller's week.
When should I hire a VA for sourcing?
When your process is written down and repeatable, not before. A VA cannot absorb judgement you have not articulated — handing an undocumented process to someone else produces expensive noise. The practical test: could a competent stranger follow your sourcing rules from a document and reach roughly the decisions you would? If not, write that document first. It is worth doing regardless, because it also shows you which of your own rules are actually arbitrary.