As far as the deal specifics, you can start by just giving me the zip code, the sq. footage and the beds/baths.

Most are young professionals that are in town for a contract type job but others have stayed for over two years.I believe he furnishes each room with a bed, dresser, and a nice wall mounted TV.

What would others pay for a X bed Y bath rental for Z days?

Just recently closed on a quad-plex. 1 bed. 1 bath, everything will be completely new, including plumbing & electrical.

It also depends on how many bathrooms and beds the house has. ie. if it's got 4 beds and that's the only bath, big problem. if it's got 4 beds and 3 baths, probably won't matter quite as much if it's got a master.

The costs have to reasonable/legit, but they are not capped by the security deposit in any way.As to the OPs question, I believe everywhere in San Diego county, the traditional security deposit without any special circumstances (pets, water beds, etc.) is for the security deposit to be one month's rent. 

The bed is littered various magazines, dozens of brand-new gloves, dozens of knives, spare parts, scopes, and more.My Tenant died two weeks ago and left all this (and much, much more) in his apartment.

Five if I'm too hungry/broke to afford two beds myself. 

Not to mention, you're technically supposed to bed backer into thinset and then screw it down. 

I'm a licensed broker and saw on the MLS a foreclosed 2 bed condo currently priced at $134,900.