Good points TH.
At some point though every shop has it's "max economy of scale".
For example. When I had my shop, we had 6 Melco Amayas.
I knew that hats ran best at 500spm. So that's 500 spm. My average design was 3.5K stitches, but we'll say 4K for simple math. It takes an average of 1 minute per cycle to change/hoop/etc and will allow 30 seconds per cycle for threadbreaks.
That's an 8 minute average design with 1.5 minutes of overhead, but for conversation purposes let's call that 10 minutes per unit produced.
Now I can say that I can do 6 units per machine per hour, and having 6 machines and assuming I can keep them busy that's 36 units/hr. The reality is that one person can keep up with 3 of these beasts and not much more when you factor trimming, hooping, drinks, potty, chatty, etc.
But back to my example.
My overhead costs are about $1/hr for utilities and another $1/hr for rent.
My staff was $15/hr including taxes/benefits at the time.
Thread is so cheap it doesn't matter.
Backing and thread together are 25 cents/unit.
So I'm looking at a production cost of $17/hr spread over 18 hats per hour for a single person.
That means we can effectively say that my best possible cost for hats is about $1/hat for the embroidery.
My hat itself should have it's own margin (20% or more or you are going to starve)
So no matter what, my embroidered unit price shouldn't get below $1.35 to $1.50 for that hat. That's a 30 to 50% margin and you can survive there.... but remember you probably don't have unlimited orders so you need to charge more to make up for potty, chatty, phone, and other non-revenue time.
I hope this makes some sense. Every shop has a different cost.
Btw, I can break this back down to 4,000 stitches at 1.50 is 38 cents per thousand stitches or so.... I'm doing the math in my head.
Now, on flats I could reliably run 1,000 spm. Melco claimed 1200, and it would do it under ideal circumstances.... but those ideal circumstances didn't factor real shirts with real people...
But the net is that my cost per thousand stitches drops to roughly in half on flats because I can do twice as many per minute. Assuming all else stays the same and I run 8K flat designs.
Design size influences time and you can't short overhead for hooping/trimming/threadbreaks.
Btw, jacketbacks are way more profitable.
