If I am building a Foo widget and I work 3 hours one day and 3 hours the next and then I'm done, I bill one day.
If I am building a Foo widget and I work 3 hours one day and then I'm done, I bill one day.
If I am building a Foo widget and I work 3 hours one day and then I'm done, and then the client asks me to build a Bar widget and I work 3 hours the next day and then I'm done, I might bill 1 day or I might bill 2, depending on the relationship. This doesn't come up much.
If I am building a Foo widget and I work 3 hours one day and then I'm done, and then a week later the client asks me to build a Bar widget and I work 3 hours next week and then I'm done, I bill 2 days.
I'd probably bill 1 day if I did the work in dribs and drabs over 3 days and the total number of hours I spent were closer to 1 day than 2. You know how you'd feel if you worked 3 hours a day for 3 days: not like a superhero.
I don't know, this has just never happened with me.
If I am building a Foo widget and I work 3 hours one day and then I'm done, I bill one day.
If I am building a Foo widget and I work 3 hours one day and then I'm done, and then the client asks me to build a Bar widget and I work 3 hours the next day and then I'm done, I might bill 1 day or I might bill 2, depending on the relationship. This doesn't come up much.
If I am building a Foo widget and I work 3 hours one day and then I'm done, and then a week later the client asks me to build a Bar widget and I work 3 hours next week and then I'm done, I bill 2 days.