0. There is no staking locktime.

Return's pertentage is calculated on the basis of you LP deposited tokens.

You first need to approve the contract to take your tokens, then send them. This is a very usual practice.

It is not. Once transaction is done, you can check gas fee truely cost less.

Great question! Please refer to the documentation for a detailed list of differences between both.

We only recommend farming to advanced users. If you are not familiar with impermanent loss, then we do not advise you to start farming, and it would be better to stake your tokens.