Disadvantage: we get a spike in energy prices, which is never a good thing, especially coming on top of a generally dismal economic picture.
Benefit: most of the civilized world has reacted very negatively to the invasion, to the point of signing on with serious, economy strangling sanctions.
This isn't so much a positive for the US, as it is a blow to the concept of military aggression as a beneficial policy for the aggressor. Thanks to the global reaction, future aggressors have another variable to deal with: stiff international sanctions. Especially if that aggressor's economy is highly dependent upon international trade.
A key point to remember is that Russia has yet to come up with what most other nations consider a valid reason for this action.
Indirectly to the benefit of the US: The damage that has been done to the reputation of the Russian military. This is because It appears that the rumors of Russian oligarchs pilfering the money intended to maintain military readiness have some validity.
There is ample evidence that both maintenance and training have been severely neglected, far more than we might have imagined. In a modern, mechanized army, that is a real problem, evident as the 'second most powerful military in the world' struggles to attack an economically depressed and much smaller opponent.
This means that the threat of Russian military action isn't nearly as ominous as it once might have been, which benefits the US because they now have more knowledge about Russia.
And the likelihood of Russia using military force to achieve a political goal has been greatly reduced. Panic inducing news stories aside, Russia today isn't anxious to go up against a NATO whose readiness is likely quite high.
Indirect benefit to the US: Europe has now placed security against military action as a high priority. Sweden and Finland may do the previously unthinkable: join NATO. And Germany, long dragging its heels on military capability, is changing, too.
For the US, this means less revenue spent on European defense.
Another possible benefit is that this may be the end of Putin and his oligarchs. It appears they had done far more damage to the country than previously imagined. It is possible that the Russian military, who as far as we know has had its funds stripped away to pay for yachts and sports clubs, and now massive numbers of its soldiers killed by the result of corruption, may get fed up with this and throw in with a faction that wants to remove Putin. The motivation to do so certainly exists. This benefits the US because they will possibly turn an enemy into an ally or neutral party.