I would no get tax advice from anyone other than a tax professional that is experienced with traders taxes. $17,000 sure justifies the somewhat small expense of involving a tax pro you can meet with face to face with you to find the best solution for you. Just make sure to screen them out over the phone first by asking them a few wash sales rules, the good ones will gladly answer your questions and the bad ones will show their cards right away by declining to answer or by giving the wrong answers.
They’re a couple good ones around, I’ll chime in if you want to start a thread about it.