Am I in the right place with WPMU Dev

This may sound a stupid question to some, but here goes. I am a 62 year old retired network analyst so I am pretty much above speed with computers, operating systems, networks etc. I have motor neurone disease and have just lost the use of my legs so I only have my arms left ! I have taken up web design to help to earn a few dollars/pounds! I am ok with using wordpress and I have partially set up my site at http://www.arieswebdesign.co.uk . I am anxious to learn lots and lots more. I have just had an offer to extend my monthly membership to a year. Here is the issue - Am I in the right place to learn or will all the brilliant stuff I see on here go right over my head?

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