1: Determine Your Experience Before You Book Your Campground.
One of the keys to having the best Sturgis experience is to know what you want to get out of your visit to Sturgis. Knowing what you want to experience will likely determine where you choose to camp. For example, do you like to ride all day and turn in at a reasonable hour? Then you sure don't want to stay at the party type campgrounds like The Buffalo Chip, instead choose a campground like a KOA or any campground that advertises as "quiet". Maybe you want a more spring break type experience? Maybe you want to be rowdy, party all night and partake in some adult activities. You'd be disappointed thinking you can do this on Main Street Sturgis so choose a campground like Glencoe Campground or The Buffalo Chip where they party never really stops.
2: Avoiding the Crowd / Traffic
If you want to go for a ride but want to avoid the crowd and traffic consider heading east? You can take a great ride east on Hwy 34 and then head south to I90 and take that back to Sturgis. It's an all day ride but enjoyable and free of the masses of other bikers touring the Black Hills.
3: Drink LOTS Of Water
It should go without saying but needs to be said. You will be outside in 90+ temperatures and possibly consuming alcohol. Regardless of how much you party be sure to always have a bottle of water handy and drink often. You won't believe how much you will sweat in the Black Hills. Nothing ruins a trip like dehydration and heat stroke.
4: Pack Some Warm Clothes
Normally the temperature in Sturgis is 90+ in the daytime and in the 70's at night but I've been to Sturgis when it hit 40 degrees at night. With nothing but my leather jacket and T-Shirts I froze my buns off. I would have killed for a sweatshirt and always pack at least one when I go.
5: Don't Get Stuck In Sturgis When Passing Through
If you are headed to campgrounds along Lazelle St which are 79 and 34 you can sit for a long time on Junction Ave after getting off I-90. Instead use the side streets of Davenport St, Fulton St and Middle St to bypass the traffic and get to Lazelle faster. Davenport and Fulton end at Howard and you can get to Middle St from Howard.