Yes, well, it has to be kept regular if it is to be of any benefit to you. That is not to suggest that a once off electrical service in Colorado Springs, CO is going to do you a disservice. Indeed, if the electrician on duty is a fully qualified tradesman, he is likely to do a good delivery. His task will be completed efficiently and successfully and it is quite possible that a certificate of approval can be issued by an independent consultant who of course is also fully equipped with the requisite qualifications.
But that is merely a once off service. Done and dusted. Everything seemingly runs smoothly from hereon. But there will always come a time when the electrical infrastructure will be taking some strain. Time for another call out? And how long will that take to set up. And how much will what becomes essentially a repeat job cost you? Will the electrician recall the work he did so long ago? Would it not have been better to simply have a running maintenance contract in place. This is something that is going to save you costs down the line.
You would be spared the usual intermittent increase in costs that remain unfortunately unavoidable. You could be in a fixed contract whereby all costs are agreed to. Also note that any work that needs to be done during this contract period could already have been paid for. And should it ever come to that, emergency electrical incidents would be quickly attended to. This is one of those cases where familiarity does not breed contempt. Familiarity with your electrical infrastructure helps your electrical contractor to make accurate assumptions about what kind of upgrades and improvements would be required down the line.