Caulk up cracks to prevent water infiltration and wood rot, prime raw wood to prevent bleeding, discoloration of wood about 2-3 yrs later that shows up as reddish color.
Roofing, keep your roof swept clean of pine needles and debris because it holds water and can rust metal sidewall flashings, and chimney flashings and will cause leaks when rusted.
Preventive Maintenaince is the key to your home lasting a long time!
Never use harsh chemicals to clean out a toilet, use a plunger or auger to crear a stopped up toilet. Hair is one of the leading caused of sink clogs and is virtually indestuctible, mummies thousands of years old still have their hair and most people assume that a typical acid based anti clogging agent will just eat the hair out, not so is has to be manually cleaned out.