Assigns a shipping rate based on order total. Define ranges of total price and a shipping quote for the ranges.
To install, unzip the attached zip file under your modules folder, and enable the Rate Quote module here...
then enable the Rate Quote Shipping Method here...
and define your shipping quotes here...
Example: to give free shipping to orders of $100 or more. define a range $0.00 to $99.99 and give it your regular flat shipping rate, then define another range from $100 to a very large number (like $1000000) and set the shipping rate to 0.