The other bathroom has a traditional bathtub in it, so there would still be one tub in the condo. 

There were only minor changes needed to turn the apartment to an office, For instance, an office does not need a bathtub, a stove, so these would have to be removed.He first approached the city and he was told what I was told, everything was to be ripped out, and put in again.

Of adding a shower or even a bathtub?

You might find that you don't need to replace all 5 water heaters or replace all the bath tubs.  

I had something similar once with a bathtub.

Where are the best places to get supplies for rehabs such as carpeting, flooring/tile, bathtubs, sinks, light fixtures, ceiling fans, etc.?

Its kind of similar to bathtub overflowing.. they diverted the water and this was cause of damage, but the fact the only thing holding the extension,, plastic,, even wind can move those stupid things,, I know I have several and the bricks help to stabilize but aren't reliable. 

Are you talking about refinishing a bathtub?

I went to replace a rusty bathtub and had to gut the bathroom down to the studs, even replacing the subfloor due to deferred maintenance and a leaky bathtub drain.

I got a quote from a painter for $4700, and Furnace for $3300, Refri $1100k, Stove $800, dish washer/microwave/disposal $550, refinish hardwood floor and starway $2500, Kitchen Cabinet $2400, counter top $400, lighting $500, security alarm $400, landscape $1800, bathroom wall and floor tiles,Kitchen vinyl floor plus laundry room tile total $1200, refinish bathtub $500, New windows $800, new doors 2 of them $250, toilet+vanity $700,Kitchen and bathroom faucet $260, all new locks $300, roofing(patch up garage) $250, all other materials such as concrete(patch up drive way) sheetrock and others $2000. total $24710.Plus I am paying my contractor $200 per day to remodel the kitchen and bathroom with some plumbing and electrical works.