I’m no expert, but you should trust my expertise in these matters.

Client: I don’t understand why I’m being charged 10 hours for this, it seems like it should take about 1 or 2 hours, TOPS.

Me: Well, it may seem that way, but it was quite involved. The good news is it is set up now and you can manage it with the front end and you will never need to set it up again.

Client: I took a web design class once. I’m positive this would only take me 1 or 2 hours and I’m not even an expert.