Don't pay double
Mistakes cost money, we will normally spend double time double the money when making mistakes. Undo what is done umproperly and redo it is more expensive.

90% of our business is about making corrections
Let me tell you would be more expensive
by the time we realize the mistake in most cases is halfway
electrical related mistake sometimes we'll end up in a fire.
knowledge is power in any way if we learn just a little bit about are we getting into will save us time and money.
hiring a professional is worth it especially to be covered with with insurance.
most contractors will be able to provide certificates of insurance weather is business or worker's insurance.
there is no savings by taking by taking shortcuts eventually we have to redo what was done on properly by then we'd be a double expense time and most likely some stress.