How Do I Know What Gas Price/Gas Limit to Use?
If you encounter the following error "Warning! Error encountered during contract execution [Out of Gas], you can use the following steps below to determine the gas limit needed for your transaction.
Go to the failed transaction.
Click the contract address.
Find a transaction that was successful (e.g. no red (!) icon).
Click that transaction TX HASH.
Look for GAS LIMIT.
See what GAS LIMIT was used.
Use that GAS LIMIT for your transaction.