It is for me. I have the app on m,y mobile devices so I'm never that far away. i would go nuts without this site. LOL
Also, at the top of every forum there are "stickies" which contain some really good information. But I'm sure you will find some really good posts, a ton of people make their own sumps.
Not sure if you are interested, but here is the link for my 125g build earlier this year. I've been told it's very informative, I tend to ask some silly and not so silly questions.
Carey's LAST Build- 125g Reef
Hope that helps, it's really really long, the whole community here got involved and helped me beyond words.