Estimating cost of code in LOC doesn't account for the fact that: - Some kinds of code are harder to write than others. For example, it could take days to deve

Estimating cost of code in LOC doesn't account for the fact that: - Some kinds of code are harder to write than others. For example, it could take days to develop a tricky algorithm that's just a few lines of code. - A developer who is familiar with a code base can write lines of code faster than one who isn't. - A developer who is experienced with a language can write lines of code faster than one who isn't. - A better developer may be able to write the same logic in fewer lines of code (e.g., by factoring out common code as methods instead of copy/pasting, or not reinventing functionality that already exists in standard libraries). I've been programming for decades and have never been asked to estimate cost in LOC. Estimates are always requested in terms of time (e.g., hours of work), or in some unit that's related to time, such as "story points" in Agile methodology.