There are a number of water leak alarms that can be connected to your washing machine and to your water heater and are available for just a few dollars each to pricey ones.
Remember to have your gutters cleaned and drain the outside faucets.
The English Ivy, which strangles and kills trees, is easier to remove at this time of year. However, you might need a saw to cut into the thick vines at the base—an indication of how strong and pernicious these vines are. If you cut the vines on the bottom and are unable to pull the vines off the trees, at least the worst part of the vines has been cut.