Was the toilet leak the flap or was the toilet leaking water to outside the toilet?  

It was condemned and being squatted on by meth users.

They include:-Various gaps/openings in soffits, improperly installed roof flashings, a few other building envelope items-LEAKS from: hot water heater, showerhead, cast iron pipe from toilet, HVAC. 

You have a chance to update accordingly new appliances new toilet and fixtures.

New floors upstairs, new stairs, new paint, new furniture, light fixtures, toilets, ceiling fans, etc etc.. 

., and garage.Once you know what the common costs are for each area for a specific size home, you can see how easy it will become to walk in and walk out 15-30 minutes later with a rehab figure in your head that should be pretty accurate.For instance, I know that a full gut remodel including new toilet, new vanity, mirror, sink, glass door enclosure, stone/tile on shower walls, etc. will run me $2500 per bathroom.

And state that you'd obviously do a lot of the leg work, you'd just need to be shown what to do.Then offer, if they have any other needs in their business, that you're really hungry to get involved and to learn the business, so if they needed help answering phones, cleaning toilets or whatever, that you'd love an opportunity to work with them and help out.

He was just trying to use a tactic to get me to back off asking him to leave because he wants to squat in the house.

Meant  to add.. and if we didn't finish completely we'd come back and do touch up after new tenant was in. they were usually busy unpacking so could have cared less if we had to put up a blind or replace ceiling fan type, or add a new toilet seat.. 

@Lionel Henderson I don't know squat about securing financing in the LBC (lived there for a few years) but I'll give you my perspective from going through the whole "lend me money for a 5+ unit apartment".