1. Swap our ETH for WETH
  2. Depsit some ETH into Aave
  3. Borrow some asset eith the ETH collateral
  4. Sell the borrowed asse. (Short selling)
  5. Repay everything back

Paraswap, uniswap

Testing: Integration test: goerli unit tests: Mainnet-fork (Mock all of mainnet)