As the Treasury continues to issue new bonds to fund Congress’ tremendous appetite for government spending, we should continue to see volatility in the bond market, and by extension, mortgage rates.

You may need an extension of time for your contingency removal.

Or is the 2 empty and now is a good time to do the roof extension?  

Courts are extremely friendly to tenants, give them numerous extensions, and bend over backwards to help them, so it's not uncommon to hear stories of tenants living for 6-12 months in an apartment without paying rent.  

Ask for extension on your other house.

Most are 18 month max you may not leave enough time to finish the build or have to worry about doing 1 or multiple extensions. 

Considering that you indicated having insufficient funds for extensive rehabilitation, it may be easier to discover a home that just need minor cosmetic repair.Before completing the transaction, thoroughly check the property.

There are not many land lots available in my city, even the outskirt extensions. 

General Plan:1) Close on home.2) Request to close previous open total demolition permit and plumbing permit.3) File for an Emergency Repair permit and new demolition permit under our name.4) Get inspections done for framing, MEP, etc as required.5) Perform repairsNotes on the home:This is an extensive gut rehab.

Often they take 1 or 2 more months, and you have to get an extension.