<> == If you refactor to lots of small classes, isn't the code less efficient or slower? == 1. Speed of the code is not the only concern. 1. Modern compilers can do tricks that reduce much (and sometimes all) of the overhead of calling a method. 1. Even object creation is faster than people think. 1. Even if it is slower, you're not likely to notice it--particularly if there is a database involved. 1. If you're worried about it, profile the code and see.