You need to learn the ins and outs at someone else's expense.
You'll have to sub out:
The augering The rebar cage The survey Rent a trencher/ sub a backhoe Rent a crane/ sub out the pole erection Rent/ buy a concrete vibrator, pole specific troweling tools, very large wrenches, ... on and on it goes.
Order a batch truck with the right mix
...and pass unforgiving site inspections.
I had a longer post.
It started to reach Moby Dick/ War and Peace proportions.
Even it wouldn't be enough to help.
This is the kind of project where experience is everything.
The process is drastically more involved that it first seems.
It's such a hassle that most (commercial construction) contracts break the site work out into a separate bid.
I've seen a single site contract -- just one parking lot -- break a contractor financially. As you might expect, he didn't see it coming -- though everyone else did. (His crew was too slow, and getting behinder with every passing hour.)
Unless you have a really big project where it's worth all the equipment rental deliveries, and plenty of experience, it's generally better to sub it out to a concrete contractor to avoid headaches and wallet aches.
The worst thing I've ever come across was this pole base:
The "Contractor" used a Rubbermaid trash can instead of a Sonotube, and the base was just a little deeper than the trash can.
Steve, the easiest way to go is to call your local precast concrete company. Most will make them for you, to your specs.
I'm doing a parking lot now. I called my local supplier of precast concrete. They emailed me a "fill in the blanks" drawing, which I filled out and emailed back.
It was easy. Each of my bases were 6' tall, 18" in dia. has two 1" pvc conduits installed, and 4 anchor bolts installed.
They also delivered to the job site. The piers were under $500.00 each, which I though was a little pricey until I considered what they would cost if I built them myself. I think I saved my customer money buying them.
Okay, you've discouraged me. Little much for me I guess. One of my loyal customers had ask me for a bid on 3 lights in a vacant lot beside their Orthopaedic Clinic. Was going to be 25 ft. Poles Don't want to loose them as a customer because of messed up parking lot lights though Thanks for the input. Great to have friends:)