What does committing to the local church mean?

Most people recognise that joining a local church means committing to it in some way. But what does it mean in practice to commit to

Don’t be a flake

A couple of days ago, I wrote about the tendency of millennials to be a bit flakey. I had intended to write this post first

Four reasons I would restrict communion to church members

It is probably worth noting from the outset, I pastor a church that currently practices an open table. Though this is not where I sit by