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Thank you. How much should i stock in my ether wallet do you think if I'm investing 1 ETH then? 1.05?
Any other ico in your mind we should look at? One gram? wagerr? tezos?

Depends on what gas price you want to set. Check my response above to see a more detailed breakdown, 1.05 may be on the edge. Having a bit over .006 Ether is a good amount for anything less than 30 Gwei gas price.