Yeah Buddy, Lightweight

The scrawny spell casters of the world have sought ways to compete with the stronger members of society. They created this robust spell with their obvious superior intellect to get optimal gains.

You touch an object of any non-zero weight and scream out the phrase "YEAH BUDDY, LIGHTWEIGHT." The object's weight becomes halved for the duration. For every level above 1st, the object's weight can be reduced by 15 lbs.

At higher levels. When you cast this spell using a 2nd level spell slot or higher you gain advantage on strength checks for the duration and your carrying capacity doubles.

This spell cannot give an object negative weight. This spell cannot be used on living targets.