If you placed me on a new lake today and taking what I currently know, I would follow the river channel looking for points and secondary points, using my finder to find structure, hard bottom, bait and fish. I would do this for at least an hour and mark the beginning and the ending of any structure, bait and fish. I would then backtrack and hit the areas that revealed fish with bait and fish it with whatever method that satisfied the depth and the depth the fish are holding. My next area to fish would be areas with structure like trees or rocks, fish them accordingly and then finally, fish hard bottom areas, most likely dragging a jig.
I would then come to the realization that this lake fishes differently than what I am use to and it has kicked my butt. I would then research the heck out of it online, buy whatever baits YouTubers and Facebookers are using on that lake, fish it 10 more times and then say this lake sucks. While that sounds very cynical, I would then realize that I need to put more time on the lake to really figure it out on my own....all the while cursing said YouTubers and Facebookers and swear to myself that I could crush them if they were fishing with me on the lake(s) I actually knew.