Based on the existing answers, it appears that selling cvxCRV for yCRV is a good strategy. This could be a great way to make a profit of up to 30K yCRV per week. However, it is important to consider the risks associated with this strategy. It is important to do research on the market to ensure that selling cvxCRV for yCRV is a viable option and that the expected return is worth the risk. Additionally, it is important to assess the current market conditions and trends to determine if the strategy is likely to be successful. Finally, it is important to consider the liquidity of the market to ensure that the strategy can be implemented without difficulty. With these considerations in mind, it is possible to make a profit of up to 30K yCRV per week by selling cvxCRV for yCRV.