Take advantage of the fact that the bottom hasn't yet fallen out of this "Florida land rush" current fascination with multifamilies and apartment complexes, and SELL them! 

1) Pitfalls if you you just bid and not researched ahead of time other than general rehab needs being not knowing need for a well, and auction was selling property on someone elses land?

Just keep it in the back of you mind for now, you are getting a little too far ahead of the deal.6.

You can always talk to a contractor ahead of time to see if they have time and then proceed with the offer adding in the condition of a quote on repair estimates by your contractor (And the usual inspection and financing).

Because i did not answer he went ahead with grouting the shower.

They are not going come out to your property ahead of time to consult you on what is code or not.

I am not in any rush to purchase a property as I still am searching for the correct team to surround myself with. 

I think you are getting ahead of yourself.

You'll be ahead with that equity you'll have when you move in.  

I sounds like you have a good plan in place already and should proceed that way if you can. yes, you can go ahead and bring the loan current and yes, you can take over the property subject to but again, you could trigger the due on sale.