The government doesn't "send billions to Israel", it sends money to American companies like Raytheon that employe American workers in American factories. That money never gets to Israel. America also makes money off of the relationship with tens of billions in bilateral trade every year even without considering that Israel supplies America with about 5 times as much actionable intelligence as the entire CIA or the free advertising, research, and development America benefits from.
You're thinking of the Arab states, who get billions in no-strings cash that they use to build palaces and commit terrorism against America. Hezbollah alone for example has killed hundreds of Americans.
But hey keep obsessing over the Jews. That's been a winning strategy throughout all of history.