Sewer pipes are a mix of cast iron and black plastic (ABS it looks like).

SPC (Stone Plastic Composite aka Solid Polymer Core) seems to be the latest, greatest product, better even than LVT/LVP.

For a basic fix and flip anything with a nice elongated bowl and plastic seat will due.

We talking those plastic put together things?

Get wood, not the plastic covered cabinets.

New doorknob at home depot $27 + 20-minute installation & Plastic Wood-X with DryDex 5.5 oz.

The microwave hangs above the stove and is made of plastic.

I am also looking for my first flip, but wanted to add that there is a group in my area that flips homes regularly and they have prop furniture for flips for staging and such.. like plastic and cardboard replicas and such.. looks decent in person, in pictures you cant tell it is fake.. 

While it isn't brain surgery there is a great deal to cover and to learn and like most other endeavors to become proficient will it require time, diligence, and laser focus.

We have been in the industry for a little over a year but due to 3 surgeries, we were set back a bit.