DEAR ERIC: Should I go to Tanzania for two weeks with people I don’t know and one person I only kind of know? I mentioned I wanted to go to Tanzania some day and this lady in the movie theater said, “Oh, I’m going to Tanzania and we need one more person in our group.” Between airfare and safari costs, it will be $8,000. I have the money, but I was planning to invest in a mutual fund. Should I go? – Impromptu Invitation DEAR INVITATION: No! Do not go to a second location with random people from movie theaters! Report to your financial adviser’s office, STAT. It sounds like you just want somethi…