Your increased profits don't come from saving labor. The significant profit increase comes from doubling your volume (without increasing labor).
At $1.00 per foot gross profit, would you rather sell 3000 feet per day or 1500 feet per day?
My crew works very hard. No way they could double their output! That's true. With a trencher, they can't. It's too slow, cumbersome, can't maneuver, and requires handling tons and tons of backfill.
The tommy's technology eliminates all of these installation steps, thus easily doubling productivity. ( Click here - to view Evtec research on the installation of silt fence using the tommy static slicing method.)