Here is a visual illustration - https://i.ytimg.com/vi/L5RzYV-ICu4/maxresdefault.jpg https://i.ytimg.com/vi/L5RzYV-ICu4/maxresdefault.jpg You start out with s

Here is a visual illustration - https://i.ytimg.com/vi/L5RzYV-ICu4/maxresdefault.jpg https://i.ytimg.com/vi/L5RzYV-ICu4/maxresdefault.jpg You start out with something really nice and functional, soon you have some issue that needs a patch now, then another, then you need to write additional modules but no time to re-code to adapt... But don't worry, everything just works great! If you take time now and again to maintain code you are good, if you take time to get code in place properly you are good (but probably sill making more minor messes..)