Replace it with a normal fridge.

It took me 11 years, 25 properties, and 76 doors just to replace my income.

If they've collapsed, they will need to be dug up and replaced.

We have seen maintenance costs skyrocket over the past 2-3 years and every case is different but here are some general guidelines for reputable (non-crackhead) investor level pricing in our area of operations:Furnace and A/C replacement with lineset for standard 3 bed 1 bath bungalow.

Of course when doing the 1031 exchange your basis will carry forward into your replacement property.Where you have a potential issue is establishing your intent to hold those properties but immediately selling one or more them as soon as you have them ready. 

However, I wouldn't necessarily recommend full replacements of any or all of them. 

You might try corporate housing by owner, or try getting in contact with some insurance companies for replacement housing, or traveling work-crews, etc. 

.- If you hold a rental until death, you can pass it on with a stepped-up cost basis, limiting captial gains if then sold (limited by inheritance tax limitations).Too many newbies on this site trying to replace their day job income via "passive" real estate investing w/o digging deep enough to understand how it really works.

., identifying a replacement property within 45 days and closing within 180 days).

Really nothing can replace real life connections!