If your gut is telling you to heed the warnings of friends to be more cautious, you should obey it. Playing your cards more closely to your chest might deprive you of the fun of seeing how people react to your plans, but it will also prevent anyone from stealing your ideas. Someone who is very focused on money has been cozying up to you, and they might be turning on the charm to get you to spill a few secrets. You will be able to resist easily. They aren’t your type.