Checkout the Habitat for Humanity ReStores for good bathroom tile selections for 100-200 SF, small amounts, good quality stuff, not expensive.

I do my own carpentry, tile, etc.

Excessive wear to painted surfaces outside of what would typically be expected.Faded/mildewed caulking, silicone or other sealants around the bathtub, tiles, sinks, countertops, vanities, etc.Missing caulking around the bathtub and tiles, excessive mildew or water damage, unreported issues potentially.Hard water deposits or stains in sinks, tubs, showers, etc.Buildup of dirt, mold, mildew, or water stains from a preventable or unreported water leak or drip at a fixture or in wet areas or water damage to hard surface flooring resulting from unreported leak or issue.Worn out or deteriorated finishes on deadbolts, locksets, handle sets, loose or stubborn door locks, loose hinges, handles, cabinet pulls, knobs, etc.Broken, lost or unreturned keys, broken door locks, hinges, handles, cabinet pulls, knobs not resulting from normal wear and tear.

Cash invested was $6k for floor tile throughout the house and $5k I spent last year on an air conditioner.

some kind of interesting tile backsplash there are done great scenery ones!

You have no idea what the floor looks like underneath....then again if it an old house there may be asbestos tiles under the linoelum...in which case see how strong the subfloor is and listen to your contractor.

Of course nice is a relative term as there they love the tile counter tops, cheap backsplash and the most inexpensive laminate or tile

Small tiles in the right are abestos, large tiles in the right are not.  

I've kept up with improvements including new driveway, new doors, rebuilt balcony, removed asbestos tiles in basement, laid tile in the kitchen, re-did hardwood floors, repair leaks in basement, new hot water tanks, new/updated electrical panels.

Is this a ceramic or plastic tub ?