A female monarch lays its eggs (1) on a sprouted milkweed plant. The eggs hatch in four to five days producing tiny yellow, black and white banded larvae (caterpillars). These caterpillars (2) will feed solely on milkweed and eat enormous quantities because they are growing fast.
Roll-up door spring repair or replacement is usually around $200 - $250 for a 2 car door. If the brackets need to be disassembled to remove the springs due to the shaft not sliding sideways enough it will cost you an additional $50 - $100.
1 According to Remodeling magazineâs 2011-12 Cost vs. Value Report, a midrange garage door replacement costs $1,000 to $1,200 and a high-end replacement door costs $2,500 to $3,000.  DIY installation wonât result in significant savings, as the average cost for professional garage door installation is $100 to $200.