Deutschlandticket
Incredible value, as long as you avoid long-distance trains
I have had the Deutschlandticket since it launched. For one monthly price I use the U-Bahn, S-Bahn, trams and buses in Berlin, plus regional trains everywhere in Germany. I have taken it to the Baltic coast, Leipzig and Dresden on weekends. My employer contributes through the job ticket version, so I pay less than 40 euros. The price has increased twice, and it does not cover ICE or IC trains. Regional trains are often crowded on summer weekends and delays are common. Cancel by the 10th if you want to stop the subscription.
Covers all local transport nationwide
Cheap with employer job ticket
Not valid on ICE or IC trains
Crowded regional trains