I get emails like this quite frequently: "I am very new to investing and am learning a lot from your blog. May I seek your advice on whether to buy/sell XXXX? I have recently bought XXXX shares at $X.XX and am worried about their involvement with XXXX. Should I sell or hold?" I always say if we know the value of our business, we will know if the market price makes sense. If we know, then, we can take advantage of fluctuations in market prices. I rarely recommend courses for readers to attend but I have suggested readers who are serious about becoming investors for income to attend Dividend Machines. In fact, I told some readers that they should sign up because they really need help. Some tell me that they will wait for the next intake and I tell them if they are serious about investing for income ......