People need to learn to walk, and furthermore when areas such as these become busier and more people go out and parking is less available, you should start to see taxis. I take a cab to go out to eat, and of course drink, quite often. An article was done on the Va-Hi neighborhood a few months ago, which has more businesses, far more bars/restaurants, denser housing, and far less available parking. I went there this weekend and parked half a mile away and cabbed back...and then walked about 1.5 miles from my condo to pick up my car the next day. This is how life should be. If it were NYC, a car would not even be in the picture, but that's not a fair comparison.
People in Jax need to make the transition of taking cabs out. Get a group to meet at house, call a cab (there are texts and apps now), group cab into Avondale, eat, then drink, then hail a cab back (or in Jax's case get the bar to call a cab). Simple.