DIY Home & Car Repairs That Save You Thousands

Personal Finance

July 31, 2025

With the perks of owning a home or a car comes the responsibility of maintenance and repairs. Many Americans will opt for the direct approach of hiring professionals, but many common issues can be resolved with basic skills and tools, saving you thousands over the long run. You not only become the master of your home and vehicle but also gain a sense of self-sufficiency and pride. Basic engine work and plumbing problems become manageable with a few new learned skills rather than spending more money and resources getting professionals to do it for you. This article outlines ten DIY repairs that can be done to the house and the car that save you a good amount of money. All of these repairs require minimal tools and are easy to do. With the help of this article, you will be able to maintain the various appliances and parts of your car to ensure that they will last longer and function properly. Let's get into the details of these brilliant do-it-yourself options that cut costs.

Fixing a Leaky Faucet:

If a faucet is dripping, not only is it annoying, but it is costing you money. Fixing them is a straightforward process, and you can do it easily with a wrench and a new washer. You can turn off the water supply, pull off the handle, and replace the washer if it’s worn out. This way, you will be able to stop the leak within minutes and save on water expenses.

Clearing a Drain Block:

If you attempt to unclog a drain yourself, you will save a lot of money because professional plumbers charge a lot. With a plunger, drain snake, or my favorite concoction of baking soda and vinegar, you can relieve a clogged drain. Doing regular maintenance, such as removing hair and other debris, helps avoid serious clogs while enabling smooth flow in the sink and bathtub.

Repairing Holes in Drywall:

Small holes in the drywall from nails or screws here and there, or even marks from small impacts can be repaired by hand, thus avoiding the handyman. A bit of spackle, a putty knife, and sandpaper will help fix the imperfections. You only need to paint the wall, and it will look as good as new.

Changing a Toilet Flapper:

Having a toilet that constantly runs is exhausting because, on top of the regular hassle it brings to the household, your water bill will shoot up. Most of the time, the reason is a flapper, which happens to be quite easy to replace. Turn off the water, remove the flapper, and with the push of a button, the correct flush function is there, along with eliminating waste of water.

How to Repair the Engine Light of a Vehicle:

A check engine light may seem daunting; however, it could merely signal a minor concern, such as a loose gas cap or a broken oxygen sensor. A diagnostic scanner can assist you in locating the issue, which allows you to fix the problem personally instead of needing to call in a mechanic.

Changing Oil:

Changing your oil regularly is important for the health of the engine, and doing it yourself saves you money in the long run. You can simply grab an oil filter wrench, a new filter, and some clean motor oil to perform an easy oil change at home within an hour. Make sure you properly recycle the old oil by taking it to the appropriate center.

Replacing Brake Pads:

Over time, your brake pads will wear out, and replacing them can get quite expensive at a shop. Having a jack, lug wrench, and a set of new pads will allow you to easily perform the task in your driveway. Properly working brakes can save you from expensive repairs down the line.

Fixing a Car Battery Terminal:

Corroded battery terminals often cause starting issues, along with several electrical problems. Cleaning terminals with a wire brush and baking soda solution can allow solid reconnection, keeping breakdown costs to a minimum. My other simple trick is to replace the wire, too, because it takes no effort and prolongs the battery life.

Replacing a Broken Light Switch:

If a person is on a budget, learning how to do basic repairs like replacing broken light switches can allow substantial savings from paying electricians. By switching off power, removing screws from the broken switch, and putting in a new switch, you save a lot of time. People need to make sure that these basic electrical repairs always take safety into account.

Adding Insulation on Windows and Doors:

Letting air through windows and doors is a simple yet effective way of increasing energy bills during summer and winter because that means cool and warm air is allowed to escape. My solution for fixing this problem is putting weatherstripping or caulking gaps because that allows the home to be comfortable while insulating parts at the same time.

Conclusion:

As we’ve established, learning and doing these DIY repairs can help you save a lot of money in the long term; in fact, you could potentially save thousands over the years. Beyond saving money, they also equip you with skills and self-assurance to tackle future challenges with ease. Most of these tasks can be done with basic tools and minimal prior experience, making them ideal for beginners. By gaining knowledge of what your car and home require in terms of maintenance, you can save a lot of money on repairs. That said, the next time you face a minor problem, give resolving it on your own a chance before opting for professional help. These few modest steps, when taken consistently, translate to a decent amount of savings and help you become more independent. From fixing a leaky sink to altering a light switch to caring for your vehicle, DIY repairs allow you to control your assets and save money in the long run.

About the author

Cormac Lawson

Cormac Lawson

Contributor

Cormac is a financial educator and digital finance strategist with 12 years of experience helping people make informed decision-making about their finances. He is a specialist on behavior-based financial planning, tech-driven investing and practical strategies for saving providing precise, actionable information.

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