I found that you have got an UTXO w/ 130,362 sats in you account, https://blockchair.com/bitcoin-cash/outputs?q=recipient(qr3cu58pua86s9wgt0ftucsrng6sy4lclqzn03ac5w),is_spent(false)#
If you only write posts or tip small amount of sats, you will face the 0-conf transaction ancestors limitation problem, because memo.cash will always create txs w/ that UTXO and its children UTXOs. In current version of Bitcoin Cash protocol, the ancestor limitation is 50.Thus you can send at most 50 memo transactions before next block confirmed.In my account, there are several UTXOs, each w/ about 244,000 sats. https://blockchair.com/bitcoin-cash/outputs?q=recipient(qr96dgdermd93eml7hex2qmnye5evfwl5qpk4jr26c),is_spent(false)#So I hardly facing the ancestor limitation problem.