MIXED SIGNALS 😩😩

Lexi
I have been talking to this SUPER cute boy that I met a couple weeks ago. We have been snapchatting ever since we met. We trade off making the first move, but he always responds very quickly and the pics are always selfies of him. I always wait at least 30 min before opening his snaps, sometimes even post on my story, without opening his snap, and wait till he's viewed my story before opening his snap, just to tease him a little bit. He has only failed to respond to two (out of the many) snaps i have sent him.
Last week we were talking about this hike and he said we should go sometime, but when i responded "just give me a date and time, and i'm yours😊" he didnt reply. This week we were at 2 different parties and he snapped me "what am i doing here?" While shaking his head. I replied "ayy we must party together soon" and he said "of course where are ya??". I opened his response the next day and replied "im busy this weekend, but some other time😊" but he never responded. 
These are the only snaps where i have made any sort of blatant suggestion that we hang out. He kind of strings me along, and then immediately shuts me down. It's so weird! Im getting complete mixed signals from him. When we talked in real life (we have once), he was outgoing, sweet, and flirty, and we got along really well. He also added me on snap and insta first. Idk why he is sending such mixed signals. HELP!!!