As for the other items, if you have the storage space on your property for it, it would make sense to save it for future properties if they are in good shape or can be restored to good shape.

I tune into one of them every morning when I get home from the gym.Hopefully now that Obama will soon be out, we can get back to restoring relations [with Israel mainly] but also around the world and put an end to the failing liberal/socialistic agenda.

Yes during restoration from a fire; 'all new work'  Calif

The Windows are double hung and I am taking it upon myself to restore each window to working condition which basically just entails removing a lot of paint and cleaning all the hardware.

I would personally check liquidators and wholesaling floor an tile marts in the area.For cabinets though, look up your local Habitat for Humanity Restore.

My husband is a carpenter and does damage restoration work,  so building something isn't going to cost us too much.

If the home has been deemed historic, you are now restoring the home, and not renovating it. 

As @Roy Oliphant said you are never going to build a tiny house for the same low price as buying a used trailer and restoring it no matter what your price point. 

I was able to buy 12 boxes of 6x6 terra cotta tile at the local Habitat for Humanity Restore (with 2 big buckets of tile adhesive) for $125.

Major restoration project.Now, if the dispenser is an easy fix, go ahead and make it happen.