What is the best bitcoin wallet
BTCBTC in terms of transfer and safety expenses

The blockchain wallet these days has been raised a lot in conversion fees

I think Coinbase
Online exchanges are, by and large, less secure than the methods described below. But Coinbase seems to have learned from the lessons of its predecessors, and is one of the biggest bitcoin exchanges in the world. It's also user friendly; not only can you buy, sell, exchange and trade bitcoin on Coinbase, but you can store your bitcoin in a wallet there, too.