This is a tough one as I believe there were mistakes made but would it have had a significant impact on what happened?

I unfortunately made the mistake of investing with him a year ago and have yet to receive anything back.

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. 

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.

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. 

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.

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

This agreement with your general contractor acts as a roadmap, with clear expectations and protection for all parties involved.One frequent mistake is the failure to include sufficient detail or being too vague.

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

Worst case, a very expensive clothes drier.