why blockchain ask min 0.5 to 1.08 to every transfer money 
?
past was asking for .15 or .37
Inadequate details.? past was asking for .15 or .37
Are you talking about blockchain.info wallet service or the network in general ? 0.5 as in bitcoins or satoshis or mbits ?Whatever the case,the fees don't exceed 0.001 even for the priority transactions.
yes blockchain.info https://s22.postimg.org/o1za4cbtt/123.png
