What was the most expensive build that you have done so far?
how about the cheapest?
my most expensive build was a trek mountain bike with a sd stinger engine
upgraded brakes , new seat, cruiser handlebar
$40 bicycle (guy was moving out and had to sell asap.) he upgraded to a suspension fork and $50 tires and $150 wheels and a suspension fork.
he build was around $270
the cheapest was a free bicycle with a $140 kit from ebay