The Secret Service is obligated to follow Trump to his private resorts and across golf courses. He played golf for approximately 20% of all days spent in office, racking up over $100 million in travel costs by his third year. Trump had repeatedly attacked Obama for his own golfing habits.

Quartz – Trump’s golf cart rental expenses set to surpass $500,000
Yahoo Finance – Trump golf cart rentals have now cost US taxpayers more than half a million dollars
The Golf News Net – The Secret Service has spent almost $550,000 on golf carts to protect Donald Trump