For instance, there’s a $75,000 income limit for a person at least 65 who’s eyeing the $6,000 senior bonus deduction. It’s $150,000 for a married couple seeking the combined $12,000 deduction. A household that wants the full $40,000 state and local tax deduction has to stay beneath a household income of $500,000.What do workers paid overtime and tips, senior citizens, homeowners and car buyers have in common? They all need to stay under certain income limits to reap the full benefit of new tax breaks.The up ...