With your experience, having sufficient capital to cushion any mistakes is important.

It only happened once, so you have no evidence that this is anything but an honest mistake that's been corrected.The bigger concern is the 583 credit score, because it shows a pattern of financial mismanagement.

My lender seems to have done a little mistake and my father who is co-signing was never told he has to be down here for the signing which was suppose to happen today at 1:00 and it cannot happen without a wet signature from him.

That was my biggest mistake.

In retrospect, did I overpay or make a mistake with the purchase?

Most investors at those meetups will also give you a list of things to look out for and share some mistakes they've made along the way to try and help. 

One or two little mistakes in your underwriting, a miss on the walkthrough, and you will blow right through your profit and come out in negative. 

Like BP.Just responded to a guy who bought a section 8 remote and is finding out the hard way that this was a mistake.

You can hear real-world examples of how others have built their investment portfolio and (hopefully) learn to avoid their mistakes.4.

Investing out of state as a rookie is a major mistake, like starting a land war in Asia.