The American Rescue Plan provides $20 billion in aid, but problems with the previous CARES Act rollout have made tribes vigilant.
More than 400 programs are in place to distribute nearly $50 billion in aid to tenants who've fallen behind.
Withdrawing support too soon could inflict damage. Leaving it in place too long could also have drawbacks.
Newly vaccinated and armed with $1,400 stimulus checks, Americans went on a spending spree last month.
The worst off are likely to use them to fend off economic disaster. The best off may well splurge.
Tens of millions of taxpayers will get the direct payments Wednesday if the IRS has their direct deposit information.
Tribal governments were already making a successful push to vaccinate people, but these resources will help with even more.
The new pandemic relief package includes another $1.25 billion for concert venues, theaters and other spaces that do live events.
The White House says relief payments sent by direct deposit could start hitting bank accounts this weekend.
Individuals will probably get their American Rescue Plan payments within weeks. State and local governments will wait months.