The Trackost blog: inventory, true cost and pricing for makers.
Written for people who make physical things and sell them on more than one channel.
How much Christmas stock can you still make?
Count back from your last shipping day through the cure to your last pour, then count the pours that fit. Times your batch size, that is the honest ceiling.
How much fragrance oil is left? Subtract the batches.
What you bought minus what each batch took is what is left in the bottle. Weigh it once a month; the gap is your waste. Here is the sum, and when to reorder.
How to price a gift set without giving away the margin.
Three products that sell for $31 apart cost $7.40 apart and $10.90 in a box. At $29 the set earns $5.50 less than the parts. Cost the set first, then discount.
Same oil, two prices: your cost is the average.
Twelve pounds left at $4.20 and a new pail at $5.25: your next batch costs its oil at $4.98 a pound, the average of what is on the shelf. Here is the sum.
Is shipping on supplies part of your material cost?
Yes. Freight you pay to get materials in is part of what they cost. How to spread one shipping charge across an order and what it does to your cost per bar.