If they can't do that, keep shopping.This may require digging up the foundation, sealing it from the outside, and installing a french drain to keep water away from the walls.

Water overflowing the sink, seems more plausible than some missing caulk.  

When it was clear water was running from the unit.

Look for areas with strong demand for affordable housing and check infrastructure availability like water, sewer, and roads.Building relationships with local real estate brokers and connecting with municipal contacts can help uncover off-market deals and streamline your search.

If you leave a house unsecured, there’s a chance you’ll lose a furnace or water heater.

The first farmer tries to plant, water, and harvest everything himself.

Add coconut water or ice tea with the bottled water.

It costs the same thing to fix a hot water heater or remodel a bathroom on a $200K house as a $100K house.   

8 - What type of natural drainage will there be on the site/9 - What type of water supply will you be using?

We have a rented hot water heater that burst and flooded the finished basement.