I am 37 years old  with 20 years experience in mostly masonry but also some framing experience as well.

To mitigate this, masonry walls should have vertical expansion joints every 25 feet or so. 

If you want the look of a parged foundation wall, I'd just go the masonry route.

I specialize in elegant masonry and trim but am capable of complete reconstruction

Zach Cade with Cade Masonry.

Call a chimney company PREFERABLY one that is highly recommended from friends or other investors.Chimneys can leak 2 ways -inside the chimney -Or outside the chimney Inside- leaks through the actual chimney opening because of a missing cap or through the failing masonry especially on wind blown rain.

Do I need a masonry person or just a general handyman? 

The home inspection revealed severe insect infestation, broken windows, and damaged masonry, plus there is a makeshift set of stairs leading to a loft.

If your duplex is all brick; your masonry could be a big expense if the tuckpointing is not up to par.

This usually includes but is not limited to PLUMBING, flooring, landscape, utility lines and masonry.