Another is, if there will be no working bathrooms during the rehab, that means you as the GC will need to provide portable toilet for yours subs.

So you get a lot of CYA in that form, in addition to the great portability of being able to transfer a single number from one phone number to another.

This is assuming your job and hers are portable or you can find similar work in that city.

Our only option would be a portable one but I’m wondering if it’s worth the investment?

You should only have it running when someone is there and/or use portable heaters for heating quickly and directly where the work is being done.Also, may want to consider looking for a leak somewhere if making those changes doesn't move your bill down.

It works on cell signal, easily portable to the next project, and fairly inexpensive.

Make sure to check each state’s real estate license reciprocity and portability rules - some don’t require prelicensing or additional testing.

Second, there is a maintenance request portable as well.  

I have a portable dehumidifier that i was planning to use when i clean the place up.

Section 8 portable voucher--the local housing authority will pay a portion of the tenant's rent, on a floating scale depending on their income and expenses, all the way up to 100%.