The original author did great work but you did a jargon copy and paste, the author has passed his message, you should have read the article deeply and passed what you understand about the context of the article and not paste every text on the forum, with that it will help summarize original contents without plagiarism even when I see that you included the link not intending to be the original publisher but explaining it on your own terms would've made it engaging than the original content, that been said.

All business have their challenges regardless of how you give tips to make them successful, you will certainly come across some difficulty but experience and competency is what helps to bridge those wall, you may even give good tips here and you may find out that it will not be similar to real-life sense because of environmental differences, the type of economy and the government that rule where your business is operating, good points you highlighted though.