Sourdough is not the complicated, finicky bread baking technique some folks might like you to believe. Sourdough baking takes very little effort and is mostly an art of patience.
Here is the dough after its first rise, and before I spread it out for folding.
Here is the loaf in its proofing basket. It was VERY wet and took a lot of the flour out of the basket.
Here is the finished second loaf, baked from a starter that had been left on my kitchen counter, unfed, for over a week. Previous to ignoring the starter on my counter, I had left it in my fridge for well over 6 months.
Here are some details on preparation of a basic sourdough loaf.