Where did Uvalde shooter get the money to buy the weapons and ammo?

 Red States:

There are a lot of questions being asked now about the Uvalde shooting, including about the reaction of the police and if they responded as quickly as they could have to the shooting.

But some other questions need to be answered as well. Fox News’ Bill Melugin asked a big question: how does an unemployed high school dropout have enough money to buy multiple, pricey rifles and ammo?

The shooter is believed to have bought at least two AR-15s, one of which was a pricey Daniel Defense model that generally costs over $2,000. He posted a receipt for it on social media, which said he paid $1,870 for it, with tax it was $2,024.28. One was bought May 17, the other May 20. On one of them, he also had a pricey optic which costs more than $700. Not to mention all the ammo — at least 375 rounds — which doesn’t come cheap now, either. Plus he was wearing a plate carrier, although it didn’t have any ballistic armor inside it. He is believed to have had more than seven, 30-round magazines in the school and several more magazines that he dropped in a bag outside the school.

There were also questions raised about the truck he was driving, which was also not cheap. That truck belonged to his grandmother.

Now, part of the answer to the question may be that he had previously been working at a Wendy’s, he said, to save up money for the guns to buy them after he turned 18. He told a co-worker, Grace Cruz, that.

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Also, why two guns? Was he afraid he might have a failure with one of them?  He would have to have been frugal with his Wendy's earnings to save up that much money.