A detailed guide will eventually be posted, but currently there are two known methods to avoid Ethereums high gas fees when withdrawing you can read about in the link below. https://www.reddit.com/r/CryptoCurrency/comments/qcx5a7/getting_your_crypto_off_polygon_for_cheap_and/
Wondering why Mackcoin decided to deploy onto the Polygon(matic) network? The main reason are Ethereum's currently high gas fees. Polygon is a layer 2 network while Ethereum is a layer 1, an old network that won't be upgraded until sometime in 2022. Polygon is faster, newer, cheaper, and is booming in the market. Visit this link to learn more about the Polygon network https://youtu.be/4TA9FuULN0w
Email or post your metamask wallet address to receive your funds! As a bonus, you'll receive 1,000,000 additional Mackcoins for being here before the Polygon launch.