Start getting paid to do it. Once you have feedback coming in from customers who are your bread and butter, and you start trying to implement that feedback to

Start getting paid to do it. Once you have feedback coming in from customers who are your bread and butter, and you start trying to implement that feedback to keep them happy only to find your framework was ill thought out, you'll quickly learn to do things right from the start. Reading proper technique is useful, peer review is useful, but that first time you sit up all weekend revamping several core routines because you didn't plan well you'll learn more than the other two combined about not cutting corners. (edit: this also applies to learning to test properly too) Disclaimer: the above comment may or may not be based on several moronic experiences the poster is too embarrassed to confess to over his 20-ish years in the 'biz'. Maybe.