Get some earplugs asap. You'll start to get constant ringing in your ears and your hearing will fukk up more and more over time. Exhaust + wind noise aint no joke.
These the ones I use:
http://amzn.to/2mzFKoQ
You're gonna wanna clean & lube your bike chain every couple hundred miles. I do it every 2 weeks. If I drive in rain or something I do it right after.
Brush:
http://amzn.to/2mzBINr
Degreaser:
http://amzn.to/2neRZuW
Lube:
http://amzn.to/2mUoBsX
Dont be tempted to buy the plastic brush for half price. I bought two and they both disintegrated after like 2-3 uses.
You gonna also need one of these stands to clean/lube your chain. You CAN do it without this, but this makes it 100 times easier. Hit up a local harbor freight:
1000 Lb. Capacity Motorcycle Swingarm Rear Stand
This sae to usb is CLUTCH. Charges my phone under my passenger seat:
http://amzn.to/2n474yN
Some ppl say get a cheap helmet, but me I wouldn't cheap out on really the only thing that will save your life in a crash. I got this Shoei:
http://amzn.to/2neLTdU