So paint work you would have done first now needs to be redone along with siding modification. 

I've seen people bring in temporary steel (for clearance reasons), jack up the entire floor 1/4" per week to level (could require 3-4 pieces of steel and multiple posts) and then correct the failed beam and put everything back.Since you've already done some modification to the support, this may not work.In any event - it sounds like it may be cheaper to address this from the top down (removing the floor) vs attempting to find a contractor in your area with the correct insurance and training to do this without long-term repercussions.

Look at comparable properties and if you see a net difference of $500 per month (or $6,000 per year - which I suspect) while only expending perhaps $18,000 to make the require modifications (or less) then that would be a 33% return on your capital.

The house needs to be painted outside, but we don't plan to do any modifications to the outside other than some minor repairs.  

Zillow pulls that data from the recorder's office (public information) and Zillow classifies those properties with lis pendens filed with the recorder's office as preforeclosure.During preforeclosure period, the homeowner typically has a certain amount of time in which to try to catch up on past-due mortgage payments plus fees, sell the home to pay off the loan, or work out an alternative to foreclosure with the lender, like a mortgage modification, short sale, or deed in lieu of foreclosure.Like any other property, a preforeclosure may or may not be a good deal.

Please let me know if I need to do any modifications or if my assumptions are incorrect.This information if received from the MLS.1.

It has no obstructions in the warehouse and would require no modifications which would reduce our move-in expenses. 2.)

One leading indicator of a housing crash is loan modification and those have actually been shrinking over the last month or so.  

Buying a place in the poway school district that is large enough for your growing family may necessitate selling one of the existing condos.  

You should own your own home here first, and look for ways to offset the expense by renting part of it out, even if you have to do some modifications to your home to make it work.