Has anyone changed the physical address of a house to another street?

For non-commercial residential, it should be the current market value using the most appropriate comps (recent, physically near, similar property type, avoid the outliers (the lowest and highest sales)). 

My job was in a mechanical field and relied heavily on manual labor and physical ability.

How do you narrow down the list of potential deals without physically seeing what needs to be fixed in each home?

Make sure you physically go out and look at properties.

But if they want to be hard-nosed about it and tell me in no uncertain terms to either pay up now or pay a lot more in higher fees (bad credit rating, public notices on my record, eviction, and so forth), I accept the fact they have the legal right to exercise their nuclear option.As far as I know, everyone faces the same potentially harsh consequences when something goes wrong (for example, the tenant in the White House can be evicted for committing high crimes and misdemeanors).

Should my husband email the written letter or physically  mail it out?

In most cases they then take a weighted average of the three figures, which in your case would likely be weighted more towards the income approach.The income approach takes into consideration physical depreciation, rental income, vacancy rates, basically everything that affects cash inflows and outflows.

I have an eviction attorney that I use and he said no problem to get them out but I would like to proceed cautiously as possible to minimize the damage, drama and physical damage to the property.  

The two are very different, and in one case, you have investors jumping out windows and people dying.In recession, you can hold through as long as fundamentals are strong. in depression or currency reset, my goodness, you will lose a lot unless you have loads of physical cash or hard metals in couch.