User guide: Recommend using single topic for project questions

Author: per1234

content/categories/using-arduino/installation-troubleshooting/_topics/how-to-get-the-best-out-of-this-forum/1.md

@@ -22,7 +22,7 @@ Below are some things we need which are often missed by people posting for the f
 
 ### [Choose the right category of the Forum](#choose-the-right-category-of-the-forum)
 
-There are lots of different categories to choose from. Choosing the right one is important because not everyone who might be able to help you reads every category. Some questions might reasonably fit in to more than one category but please **do not** post the same question in two or more different categories. This just wastes your time and ours as different people will be providing different answers in different places. For this reason, it is against the forum rules and will incur the wrath of the moderators when they see it.
+There are lots of different categories to choose from. Choosing the right one is important because not everyone who might be able to help you reads every category. Some questions might reasonably fit in to more than one category but please **do not** post the same question in two or more different categories. Also, if you have more than one question but the questions are all about the same project then it is usually preferable to keep the questions in one topic. Keeping them together helps get better answers as the answer to one provides the context for the next. Creating the same question multiple times or creating lots of different questions about the same project is against the forum rules and will incur the wrath of the moderators when they see it.
 
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