Yes, you can install a farmhouse sink on an existing countertop—but there are some caveats. You’ll need to precisely measure. It’s best to choose a sink that’s the same dimensions as your existing sink, since your contractor won’t have to cut the countertop. Otherwise, pay close attention to the depth of your counter (the front to back measurement). You don’t want to install something that’s so big it sticks out beyond your countertop and cabinetry.

Never pour used motor oil down the drain. Doing so can have serious environmental consequences, including contaminating groundwater, endangering animals, and killing vegetation. It can also clog your pipes, causing backups in your plumbing or the wastewater treatment plant. In most places, pouring motor oil down the drain is illegal, whether you do it in your home or a storm drain.

If you need to repair part of your plumbing, it will cost an average of $330. The cost of plumbing repairs is influenced by several factors, including the type of drain and the specific repair needed.

The time it takes to install a sink depends on whether you hire a professional or do it yourself, as well as the complexity of the job. A professional plumber can typically install a sink in 1 to 4 hours, with most routine jobs taking around 1 to 2 hours. However, more complicated installations will take longer. Projects that involve rerouting plumbing, installing an under-mount sink, or making countertop modifications can take a full day. Installing a sink with a prefab vanity could also stretch the project to 6 to 8 hours. If you plan to install the sink yourself, you should set aside 4 to 6 hours, though it could take longer. It's also recommended to have a friend help, especially if you are working with a heavy sink made of a material like porcelain.