hold some Liquid BTC on the wallet in preparation of unexpected high on-chain fee scenarios, and then make Lightning payments from the wallet whenever necessary, and thus minimize on-chain footprint.

Aqua is also planning to add other services through 3rd parties, such as p2p loans, bill payments, debit cards and interest-bearing financial products.

Aqua's Lightning feature only supports invoices, not Lightning addresses or paycodes.

There is a service fee for receiving Lightning payments (to receive $10 worth of bitcoin, you pay $0.33 in fees

On Liquid, transaction fees are currently around 0.10 USD per tx