Unless things are different in different parts of the country but I don't think so... if you read the fine print of the warranty of tub reglazers there will be a paragraph about not setting anything on the reglazed bathtub ever again, meaning, no soap, no shampoo bottles etc... this is a pretty good indication of the resilience of the process, they are basically worried about anything on the surface for a long period of time causing moisture issues and bubbling the 'reglaze'. 

Just make sure you are accounting for both the mold remediation as well as removing the source of moisture.  

I have a house I'm looking to wholesale but I have a concern about the roof.It was replaced a couple of months ago and the seller thought that the roofers were pulling permits but I can't find any evidence of permits being pulled on my city website.The roof was a tear off and a secondary moisture barrier was installed underneath.

There may be excessive moisture coming from the slab or subfloor causing the laminate to warp or as Michael stated the installer may not have left enough room for expansion.  

The fungus issue is due to moisture and ventilation.

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... 

.• Properties in locations with a lot of moisture require more maintenance than properties in dryer climates.• Wood siding requires more maintenance than aluminum or stucco siding.• Properties with lush vegetation require more maintenance than properties with little or no vegetation.Below is a typical Las Vegas single family home.As you can see, there is not a lot to maintain. 

There has been significant moisture intrusion around windows and thru roof leaks.

These rentals are in the central Texas area so conditions like blizzards, snow, prolonged moisture, and extreme heat are not concerns.

I would just make sure it has the nice "backing" that should be moisture resistant and provide a slight "cushion" as well.