If each unit already has it's own shut-off valve then the supply lines should be seperate and you can probably install these.

I have a lender lined up for a Fix and Flip loan but I am not sure if something like this would qualify or benefit me. 

I have a lender lined up for a Fix and Flip loan but I am not sure if something like this would qualify or benefit me.

Location and is in-line with long term investment goals How did you find this deal and how did you negotiate it?

Then of course there is the service call to bleed the lines, change the filter, etc. 

If you find you're unable to get something right away due to your credit or income situation, you may still be able to acquire your first place creatively via a lease/option, seller financing or buying a place 'subject-to' the existing financing, plus there's always hard or private money however either of the last two would require having 'take-out' financing lined up in advance, which might be a stumbling block.

My trouble is that I'm yet to close and need to get my contractors lined up before the loan can close, so I don't have full access to the property without my realtor.

If thats the case you could get a line of credit secured by your land that will get paid off when you close on the construction loan.

We had been following up about once a week for about a month but it just kept stalling out - and we were trying to walk that line between following up and being a nuisance. 

Has no running water to the cabin, but I was just planning on running water lines to it underground and disconnecting the lines during the end of summer months( I live in cold climate).