The cheapest transfer isn't the smallest one. It's the one that earns its spot on a sheet you're using well.
Group jobs that ship in the same window. One sheet can carry several designs, which is what makes it useful for shops, brands, school stores, and event sellers juggling a handful of small jobs at once. Instead of three little sheets for three jobs, combine them into one and let the order work harder.
Fill the gaps with proven sellers. Empty film still costs you. When there's open space, drop in things you reorder anyway — your shop logo, a mascot, a common sleeve print, a few neck-label graphics. Just keep it to designs you know will get pressed.
Right-size every design. A left-chest logo doesn't need full-front dimensions, and a youth print doesn't need adult ones. Trimming a little off dozens of transfers adds up to real savings on total sheet length.
Let the builder do the layout math. The DTF Gang Sheet Builder sizes the sheet around whatever you add, so you're building to real demand instead of guessing at a fixed length. That's especially handy when you're mixing designs, sizes, and print locations in one order.