Our Polkadot validators always give you top return and bottom commission, in a trustful and reliable way. Validators: pos.dog/1...N, commission: 8%.
The Tezos baker PosDog reliably runs since Tezos mainnet launched at 2018. Address: tz1VQnqCCqX4K5sP3FNkVSNKTdCAMJDd3E1n, fee: 10%, minimum delegation: 1000 XTZ, when: 7 cycles (21 days) after delegating.