Also, you will want to be sure that it is a wise investment.If it doesn't make dollars it doesn't make sense.Some utility companies have rebates and you'd see a HUGE $200 credit from the IRS for installing windows (sarcasm).

The most common locations on the older ones are exterior wood & metal, interior wood, and kitchen & bathroom walls & ceilings.

I'm curious to know if we can just get new copper lines installed for the unit OR do we have to replace the whole AC unit.

The IRS gives you the option in a failed 1031 exchange that goes across tax years to treat the sale as an installment sale with the proceeds received in the next year.The impact for you is that if your accountant files it as such you will not owe the tax until April of 2024

I think this would help me understand if I met all requirements.thanks

Whoever installed it was careless and left chunks of concrete and rocks set next to the line which over time rubbed and broke the line. 

I've installed tile backsplashes in an effort to curb the damage and make it easier to clean, but in some cases it's a huge amount of work to clean up.

Be aware that installing low-flow toilets can lead to more clogged toilets.  

Sure painting, laying flooring and installing light fixtures are easy.  

This is why some are serial hoppers from one income avenue to the next.I was busy last night until 3 a.m. painting and finishing my office building I bought because I knew the carpet installers and my employee would be there at 8 in the morning.