Advent of the King: Son of David in Isaiah Part 2

When Christians talk about "free grace" what does that mean? Is it a free entrance into God's favor…but then…you know…when we get on our feet, you have to… you know…shape up and do our part? It's a gift but you have to pay for it. Because anything else is…too good to be true…no such thing as a free lunch…right? Let's look at:

1) No Such Thing As A Free Lunch 
2) Someone Always Pays 
3) Let's Go To Lunch