Question: what do i need to open a plumbing business?
Answer: Get Certified. Plumbing requires you to have a strong foundation in math, science, and tech. ... 
Serve as an Apprentice. ... 
Choose a Specialty. ... 
Invest in Equipment. ... 
Register Your Business. ... 
Create a Service Agreement and Pricing Formula. ... 
Set Up an Office. ... 
Start an Online Presence.