For one, cortisol is a primary anti-stress hormone. Without cortisol, you would go into shock and die if exposed to trauma. Cortisol also plays an important role post-exercise, by helping to supply fat in order to power muscle-protein-synthesis reactions. So cortisol is definitely not all bad.
Homes may also have sub-panels that are located elsewhere, which are smaller versions of the main panel and wired through it. Typical costs: Typically it costs $800-$1,200 to have a qualified electrician upgrade an existing panel to 100 amps, or $1,500-$2,500 if a new panel is needed. Expect to pay $1,300-$3,000 to upgrade to 200 amps, or $2,000-$4,000 to go to 400 amps. Installing a new sub-panel runs $500-$1,000.
Upgrading an electrical panel typically costs $800-$1,200 to change an existing panel to 100 amps, or $1,500-$2,000 for a new panel. It can cost $1,300-$3,000 to upgrade to 200 amps and $2,000-$4,000 for 400 amps. Expect to pay $500-$1,000 for installing a new sub-panel. Average total costs for rewiring a house start at $3,500-$8,000 for a moderate-sized home with easy access to the crawlspace and attic, but it can cost $8,500-$30,000 or more for rewiring a large house and/or one with difficult access.