Many over renovate to start and provide expensive finishes, fancy fixtures and switches etc.

All plumbers I know quote projects per fixture and don't care if the toilet is 5' away from the kitchen sink or 20' away from the kitchen sink. 

Whether it be an outdated house that you can put new flooring in, trim, painted cabinets, fixtures, etc.

Similar to plumbing fixtures, since the products are made to a price, the quality significantly suffers. 

I am happy to have mine metered, but the fixture they put inside gets a bit noisy at times, nothing major.

. ;)Full set of pots and pans, 6 different skillets, wok, large roasting pan, 2 steamers, 2 coffee makers, 2 keurigs, 24 sets of plates/bowls, many glasses (wine, beer, drinking, tall, short, margarita etc), 12 sets of kids plates/bowls/cups, 3 sizes of ZipLoc bags, aluminum foil, parchment paper, Saran Wrap, 24 sets of silverware, many serving spoons/forks, 16 different knives, mandolin (veggie slicer), knife sharpener, scissors, 3 meat thermometers, 6 whisks, dough scrapers, chop sticks, 4 casserole pans, 4 cake pans (round, square, rectangle), 4 bread pans, 8 serving bowls, baking sheets (1/8, 1/4 and 1/2 2 of each), air fryer, crockpot, espresso machine, 2 blenders...the list goes on.Also a bunch of small appliances like mixers, hand blenders, waffle makers, single egg cookers etc etc.

Seismic upgrades, rebuilding old light fixtures & UL testing, specific requirements for landscaping amongst a few.

Recently a travel nurse was complaining that they rented a place with a fully stocked kitchen but the kitchen had no cookie sheets, muffin tins, measuring cups or spoons, another nurse might not care about those things if they do not cook/bake but for that nurse it was important.

- cosmetic rehab (floors, paint, light fixtures, etc.)

To be considered a bedroom it only needs a light fixture, outlet, and window.