Bitcoin going down to $1000 look like insane to me. The last time we see many of this type of speculations is some time in 2016 when bitcoin was struggling to move above $1000. I will advise you to keep your bitcoin especially if you bought it when it was below the current pricing. Bitcoin might get to $20,000 some time before the end of this year and buy then you can sell. Remember that there is great reward to the patience one!