If you're a strong PHP developer, you may find it beneficial to create your own Magento enhancements. In fact, if you've been working with Magento for any length of time, you've no doubt had cause to tweak the code, even perhaps adding new functionality. For those with experience in MVC object-oriented programming, building new functionality for Magento can be quite rewarding.
If you do plan to create an extension you would like to share with other Magento developers, whether for free or profit, you should know about certain guidelines and resources that can help you create an extension which will be well-received by the Magento community.
If you can't find an extension for Magento to meet your needs, and you think you want to do your own enhancements, take a moment to do some online searching first. One of the first places I look is the Magento documentation (https://magento.com/help/documentation). At the time of writing this, the...