What makes this so hard?

[Account Closed]

Hello again Bigger Pocketiers! Okay, so I know this will sound very naive coming from a new investor but I have to ask. Almost all the concepts that I've encountered are for the most part very simple, or at least sound simple coming from the experts. So what makes investing so hard? Please don't hate on me; what I'm really asking is, what is the hardest part of real estate investing for you? The real people who are out there hustling every day making sales, renting out, and buying properties. Thanks again!