use MEW with your metamask account , on contract choose "claim" then enter auction day number it would only cost $0.31/day, do not use "claim all" it would search contract from day one and high gas usage
Read it here
https://steemit.com/eos/@koyn/minimizing-the-cost-of-gas-when-claiming-eos-using-myetherwallet
RE: block.one - Regarding Development of the EOS.IO Software and Chinese Purchasers of EOS Tokens