Small jobs carry almost the same fixed costs as big ones. Here is how hourly, minimum-plus-hourly, and flat-rate pricing each handle that, and which one holds up.
Utilities and big landlords handle overhanging limbs and disputed lines hundreds of times a year. The habits that make that work are mostly free to copy.
All three feel like costs of earning a living, because they are, and all three are generally not deductible. One piece of reasoning explains every one of them.
The four year degree is treated as the safe choice and the thing to do while undecided. It is a large commitment and it deserves to be chosen rather than defaulted into.
A big customer's contract is written to protect the big customer, which is normal. Most of it is negotiable, and knowing which parts to push on is the whole skill.