One with zoning code violation which I understand (Tenant storing items in the backyard, electric meter damaged) but second letter effecting items inside home (  220 amp receptacle lacking the cover in basement, damage door in the basement evidence of water damage of the ceiling of the basement, loose stairs treads, multiple bedroom door damage blinds , toilet loose and a lot more.

rough rough estimateplumber to set the tub; hook up the valves/etc - 800tile and grout the floor - 600tile and grout the walls (assuming around the tub) - 1200install vanity / toilet paper holder / towel rack / mirror / cabinet handles / faucet / etc - 800paint / baseboard / caulk / finishing touches - 800install a new ceiling fan (just a simple replacement) - 150somewhere in the range of $4-6k would seem reasonable to me for a random well rated contractor.I would aim to have one of my guys take care of it all for under $2500

I'm still waiting on his official report but some things that look like they'll need replacing is a couple of the door frames, the "popcorn" ceiling, one or two of the appliances, and maybe some new paint.

First plumber said we had to replace all the drywall, etc. on the ceiling under the shower at a total cost of over $1000.

No kitchen space, no garage, un-level floor upstairs and really short ceilings.

The sagging ridge line is likely due to removal of a horizontal structural cross-tie of some kind, such as a collar tie or ceiling joist with purlins.2) As you walk around the exterior of the house, stop at each corner and look down the length of the wall with your face a few inches from the surface, searching for any areas that are bowing inward or outward.3) Look for exterior wall cracks, especially ones that have opened more than 1/8”, cracks emanating from the corners of windows and doors, cracks that have one side higher than the other, and ones that show signs of having been repaired but have opened again.

The apartment i live in is 1k/mo and the ceiling leaks.

It may change a little if you want a high quality paint or have tall ceilings, but that's a good starting point.  

We are looking at a house that has mold literally all over the walls and ceilings in multiple rooms, including the living room.

Since you owe about what it's worth, how about making a few cosmetic fixes (garage-see note, bathroom ceiling) and selling it?