It really depends on your values and threat model. With a few thousand dollars and few weeks it wouldn't be that hard to flood the Tor network with enough of y

It really depends on your values and threat model. With a few thousand dollars and few weeks it wouldn't be that hard to flood the Tor network with enough of your own nodes to capture the routes of an appreciable fraction of traffic. It would be extraordinary to me if the NSA hadn't already done this.