New line every spring.
Check the line after every trip for abrasions. Remove about 20ft or more till no rough areas are felt.
During each outing as bass in numbers or bigger bass are caught retie your knot. Retie before every outing.
Check the amount of line on the spool often. Before it affects your casting distance. Don't hesitate to respool new line.
Some places we fish the water for some reason the harsh water, structure or rocks makes the line rough. It eats line check it and respool as needed.
Halfway through the season respool.
After every trip wipe the reel and rod down.
After every season, remove the old line, disassemble the reel, clean it, inspect it for wear, relube it. Wipe the rod down check it for wear.