Many of complained about this budget RC boat being dead on arrival. Symptoms include the rudder immediately pushing to one side upon turning on followed by a grinding sound. Here's how to fix it quickly. You need a small philips screwdriver and 10 minutes.

Timestamps:
0:51 Making it water tight
1:23 Source of the problem is the servo
1:58 Instruction
3:20 Explanation of centering the servo
3:57 Demo of centering the servo
5:20 Reattaching the servo arm to perfect the alignment
7:18 Demo in open water
9:31 Check on water intrusion
10:00 Some info on batteries
11:15 Freestyle run
12:25 Instruction and demo on righting a capsized boat
12:58 Conlusion
13:27 Outro