nostr:npub1getal6ykt05fsz5nqu4uld09nfj3y3qxmv8crys4aeut53unfvlqr80nfm lets you buy inbound liquidity from multiple LSPs, so you can choose from Olympus ( nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5), nostr:npub1l0ans4w4psmcv6hsqjz2v3mxszhputlsfn4emkynv3jlwrfez59s35q0ug, ACINQ, etc. You should definitely start with at least 500K sats so you have room to grow. You can add more channels as you need them, and you have the option to close them as they fill up if you want to move back on-chain.