These are aggregate (averaged) lines from legal bookmakers in European countries.

 

If it's Biden vs. Trump: Trump -170 Biden +150

 

Biden will not be the Democratic candidate on Election Day: +325

 

Trump will not survive until the election: +1200

Biden will not survive until the election: +1450 (these lines probably reflect the possibility of another assassination attempt on the Turd)

 

House control: Democrats -110 Republicans -110

Senate control: Democrats +145 Republicans -135

 

If you want to bet on Biden, Ladbroke's seems to have the best numbers. If you want to bet on Trump, several online sites in Germany are putting up the best numbers.