Business Insider: Everything is about to get more expensive. It's a crucial next step for the US economic recovery

Experts are growing increasingly hopeful the US economy will rebound in 2021, but there's a price to pay for that. The price of most things, actually. 

A vaccine rollout, a $1.9 trillion stimulus package, and the lift in spending from December's smaller stimulus paint a promising picture of a roaring, reopened America with lively restaurants, indoor dancing, and crowded stadiums. The economy is set for "stellar" growth as the pandemic subsides, a Bank of America note stated Monday, while boosting its 2021 GDP growth estimate to 6.5% from 6%. 

It could all be the biggest boom time in the US economy in a generation — but not without a cost…