The organic/unpasteurized is ideal, and I honestly haven't had as positive of results when using the pasteurized, but there's nothing wrong with using the Heinz (or whatever).
But you don't have to buy Braggs, which is super expensive. You can make your own. It will go faster if you do buy an initial bottle of Braggs to start the first batch, but from then on you can save a portion of each batch to start the next. I won't post the link again, but in my previous post I give a link to a blog post on making ACV yourself, which saves a TON of money and is super easy.
But you don't have to buy Braggs, which is super expensive. You can make your own. It will go faster if you do buy an initial bottle of Braggs to start the first batch, but from then on you can save a portion of each batch to start the next. I won't post the link again, but in my previous post I give a link to a blog post on making ACV yourself, which saves a TON of money and is super easy.