means we got hot and hit a lot of blocks fast.

 do you want me to explain why you coins were a little slow to clear.?

btc size  1 btc 10 btc 100 btc have zero meaning for fee schedule as a general rule of thumb.


https://blockchain.info/tx/306ad3113f634128a2c8ee461a26cc53cf56f70493993cb523f24170377e0fa5

go to the bottom of your transaction and look for


 Summary

Size   44061 (bytes)  So big it is huge ! even massive. 


Received Time   2016-07-23 00:32:12
Included In Blocks   421896 ( 2016-07-23 01:53:56 + 82 minutes )
Confirmations   5 Confirmations
Relayed by IP    Blockchain.info

Each little transaction is about 230 bytes

 10 is about  2300 bytes

100 is about 23000 bytes

200 is about 46,000 bytes

blockchaininfo

 A)  wants a lot for your 44061 bytes  your  fee was just a bit small and you waited a while
B) will not let you do a 251 transaction.  which is about 57730 bytes


so don't wait for about 190 or 200 little transactions.

do it every 50

for 50  that is 230 x 50 = 11500 bytes send about .008 btc fee.