Your custom home will likely come with new features you have not encountered before. To ensure your appliances are working appropriately, read the manuals and learn proper care. Also make sure to look at the cleaning instructions for Countertops, Flooring, Carpet, & Windows.
Experts recommend changing them monthly in a new home at least for the first couple of months after move in (There may be construction particles in the air). Otherwise change every 90 days.
Gutters should be cleaned twice a year to prevent damage to roof and foundation.
You want to make sure there is nothing obstructing air flow. Especially in MN- Watch for snow blocking vents. That could cause carbon monoxide poisoning- that said make sure you have a carbon monoxide detector.