What do you think would do it for you ??
Figure in the cost of the truck, the man in the bucket, the lamps being used, all the insurances, maintenance, distance for the truck, whatever other work might be needed while you have the cabinet open and most of all..... how much do you wanna make on top of all that ??
Are you replacing or retrofitting ?? Most places are using the LED sticks and wiring in new power sources. Can you do that ?? Can you test and make sure it's the lamps and not a driver or ballast ?? Can you do it if the electric is off due to a sensor or timer ?? Can you hook it up to your truck for extra power.
We just had one a week ago, where the power was turned off, so we hadda hook up and power the
sign with our generator. That happens quite a bit.