Finally BFG is on an exchange and can be purchased. They have decided to use Biswap exchange, which is a clone of PancakeSwap/Uniswap. BFG is a Binance Smart Chain token, which is good because transaction fees are low and transactions are fast. You will need a BSC compatible wallet such as Metamask, Trust Wallet or Binance Chain Wallet.
Price seems to be pretty volatile but fluctuating around $0.02 per token. You can see a video here by Crypto Sam explaining why he believes the fair price is about $0.02 per token currently. Price was generally following the crypto market but now seems to be appreciating after the announcement of the BFG farming vote.
You can provide liquidity on Biswap, but the BFG token has to be paired with the Biswap token (BSW). This means if the BSW token loses value and BFG token gains value, you will suffer impermanent loss resulting in the liquidity token having more BSW and less BFG. The high APY of 180% also is paid out in BSW tokens, which in the past few days is down 30%... I'm not saying you can't make BFG tokens in this way, but know the risks. They may be planning to use the BFG tokens in the farming
vote to provide yield farming rewards in BFG to this liquidity pool. This would be much better in my opinion, but the exact plans are not really explained in the vote.
It will be interesting to see how the price will change in the future as its still being supported by the new Progressive Lock system that limits all newly minted BFG from being taken off the site. These systems, despite being restrictive allow greater control of the token price which should help holders peace of mind.