Keep in mind some things won't show themselves for awhile, a house usually gives up most of it's ghosts in a 1 year cycle, this allows it to go through the seasonal changes of moisture, expansion and contraction and tear itself apart where it needs to, tile floors will show cracked grout within a year, letting you know they weren't installed with proper underlayments, drywall will crack at doors and windows showing the house movement do to soil getting wet and drying out where it shouldn't, the basement will get wet showing you where the freeze thaw is effecting it, paint in bathrooms will show mold in a year showing you that the flipper didn't vent exhaust fans properly and the list will go on and on... 

depends on your ARV...if you do the drain tile...after that you could probably finish that basement for $12-15K.  

However, if you have enough details on your scope of work (i.e. you specified the tile or fixture you want), it should not really matter, but I will be charging you before I buy materials, before I buy it.Chris Mason That's a requirement for time and material contract/bill, everything needs to be transparent.

But then thought if she damages the tile, I did a very poor job installing and/or it's intentional.

I do the majority of fixes myself; painting, tile, clean up, counter tops. 

As for the asbestos, a 50's build home will probably have some in floor tiles.  

.- Had handyman tear out some tile in a bathroom and replace it, as cheaply as possible.

Two are fine but one needs work regarding the dry wall & bathroom tiling. 

The final pictures here are before I added the edging tile to the shower.

If your working with a lender ask for help even your tile officer,  ask stupid questions.