I don't know what are you are looking at but around here you can estimate about $60-$80 per foot for public sewer and $80-$100 for public water. 

Wood is like a sponge and if you dip a sponge in a bucket it can only soak up so much water, same sort of situation.

You could also try door knocking, cold calling, text messages, RVM, SEO etc.Attend your local REIA meetings to find out what is working best in your market right now.Hope this helps!

Good morning, I’d like to start cold calls but I’d like to know what website do you guys use to get leads, and if anyone can explain their process from when they get the leads to the actual call

They may have abandoned the electrical before installing the water. 

The most common expensive things are water damage from washing machine hose breaks and leaks, facets that fail, clogged toilets flooding, sinks backing up and things like that.

The more you places you get through the more you will understand things like termites, plumbing, foundation issues, water in the basement, asbestos ... and the list goes on.

How old is the furnace, water heater and roof?

Water, Electricity, LLC formed, Title work, Insurance, final walk through at 5 today ect.

You can get water /sewer charges from the town in most cases.