This usually happens when you put the total price you want to charge for a modifier instead of what you want to add to the base price.

This is resolved by replacing $320 with $20 in the example below.

Each service can be modified by-
-Square feet
-Square meters
-Age of home
-Year built
-Zip/postal code
-Foundation type
-Miles away from company address
-Kilometers away from company address
​