Not directly, but by sending weapons etc to Ukraine, the US can basically wage war against Russia with no casualties of their own, while replacing the old stuff they send with new stuff, as well as justifying more military spending in the budget. For the right people, there's plenty of profits to be made.

Ukraine is one of the worlds bread baskets and critical to global infrastructure. There was very much money in helping Ukraine.

A vital element in keeping the peace is our military establishment. Our arms must be mighty, ready for instant action, so that no potential aggressor may be tempted to risk his own destruction. . . . American makers of plowshares could, with time and as required, make swords as well. But now we can no longer risk emergency improvisation of national defense; we have been compelled to create a permanent armaments industry of vast proportions. . . . This conjunction of an immense military establishment and a large arms industry is new in the American experience. . . .Yet we must not fail to comprehend its grave implications. . . . In the councils of government, we must guard against the acquisition of unwarranted influence, whether sought or unsought, by the military-industrial complex. The potential for the disastrous rise of misplaced power exists and will persist.

Dwight D Eisenhower's farewell address, 1961

There was absolutely money in Ukraine. When you read "billions of dollars in weapons sent", if Ukraine received the weapons who do you think received the billion dollars?

I would say “interests at large” rather than dollars.

Ukraine is military strategic interest (nobody in Europe wants to have Russia to randomly decide to start a war with an EU country)

In Middle East (with oil) is dollars

In Taiwan is military strategic interest

On the other side of the spectrum? Myanmar, Gaza, random African conflicts, etc

There's rare earth minerals.

Gaza has nothing other than beachfront real estate, but you got to remove them in order to take advantage of that.

And yet, as soon as Trump took office they stopped helping ukraine. Your argument is shit, mate.