Pickle Finance's smart contracts have been audited. There is also a chance that the price of PICKLE goes to 0. Only invest what you can afford to lose and do your own due diligence.
Yes you could, but the pJars help you automatically re-invest your rewards to increase your principal, save on gas and optimize for the highest yielding strategies.
Where are the Smart Contracts?
All of the deployed smart contracts used by Pickle Finance are available at https://github.com/pickle-finance/contracts
There is no hard cap on the supply of PICKLEs. The emission schedule can be found here.
How does Pickle Finance do governance?
The Pickle Finance community and PICKLE/ETH liquidity providers (see Farms) wield the power to shape the future of the protocol.
https://forum.pickle.finance/ is a Discourse forum for having focused discussions on ways to make Pickle Finance even better.