You're not going to want to take on big plumbing jobs by yourself, but knowing how to do a few simple things can save you some money.
While homeowners do call plumbing companies about plumbing disasters, they more often call them to deal with problems that could be prevented or that are minor issues.
Homeowners might need certain tools available in order to get the job done.
Still, with the right tools and information, homeowners can tinker around with certain plumbing issues, saving themselves money. For example, my sister-in-law recently helped changed the toilet flush kit in my mom's toilet.