Install a faucet filter
A handyman will charge $200 to install a 3M Filtrete system, which includes the labor and material. You can buy the unit for $85 and install it and save 60 percent. To install, you assemble the tubing, gasket and spout of the faucet, and then fasten the filter head assembly on the interior of the cabinet wall. Next, you adapt the water supply lines and attach the hoses. The job is complete when you insert the filter, turn on the water to test for leaks and activate the filter. Before you begin, you have to turn off the water at the shut-off valve and remove everything out of the cabinet so there's room to move around and work. For tools, you'll need adjustable wrenches, a Phillips head screwdriver and drill; also have rags and a bucket handy to catch any drips.
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Pro Cost -- DIY Cost -- Pro time -- DIY Time -- DIY Savings -- Percent Saved
$200 -- $85 -- 2.5 -- 3.5 -- $120 -- 60 Percent