There is no question too silly or trivial. Even if I can't answer, I'll try to point you in the right direction.

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I'm not an "expert" because I've got no formal training in any of the subjects that I cover on here or the YouTube channel BUT neither was any expert an expert in anything before they learned how to do it. 

So, don't be scared to try something just because you haven't done it before. Just approach it with a bit of thought and planning and thinking "I can do this".
Everything I cover on here and YouTube I've done myself and if things have gone wrong in the doing of them I'll let you know. I'll try to point out how to avoid my mistakes and what you need to think about

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Some words of warning though!!! 

Tools, especially power tools can be incredibly dangerous and can cause you immense harm or death. The average house has power cables and sometimes pipes buried just below the surface of the walls, floors and ceilings. Ladders, steps, scaffold boards, loft spaces, roofs take you off the ground and put you at risk of falling.

I'm not saying don't do this stuff, this and many other like websites wouldn't be here if we thought that but...

Think about what you're doing
Consider the task you want to do, think about the risks and the tools and equipment that you have to do it with. Be sensible, be safe!