QUARTERLY - Mar 31, Jun 30, Sept 30, Dec 31

• Change Britta filter (last done April 5, 2023)
• Change air filters (last done June 1, 2023)
• Fertilize yard (Memorial Day)
• Update financial records (March 30)
• Lubricate paper shredder (last done May 24, 2023)

SEMI-ANNUAL

• Change battery in carbon monoxide alarm (last changed April 25, 2018)
• Change battery in water alarm (last changed Feb 10)