Paul Stoffregen is the creator of the Teensy microcomputer and related products and has authored a vast amount of exceptionally good and useful public domain software to go with it. As the old saying goes "no good deed goes unpunished" and in the course of answering customer and would-be customer questions, Paul has written over 18,000 replies. From that he's learned a few things that he shares at the link under the heading of "How To Get Tech Help From Strangers On The Internet".
Whether it's about a software issue or how to fix an old radio, Paul's advice is good and highly recommended. Take a few minutes to read his suggestions and give them a try the next time you need technical assistance!