Once January 1st hits, the options that were open are gone. That's the real case for starting year-end tax planning in September instead of waiting for December — not because earlier feels more responsible, but because several of the moves that actually save money need lead time the calendar won't give back once it's spent. This shows up across every trade — a landscaper in Clearwater, a contractor in St. Petersburg, a service business anywhere in between. The pattern is the