文科生的思考：如果BILT卡20平台用来交房贷，难道不是BAC的123卡比ATOMS更有效率吗？
用BAC 123卡支付房贷以获取最高返现，效率优于ATOMS。
1. 关键信息
- Use 123 card for mortgage to earn 5.25% cashback; use ATOMS at Staples for miles/status. #1, #18, #19
- boa123 bonus category has $2,500 quarterly limit. #4
- atm card offers 3x miles on Hawaiian/Alaska, 2x on gas/dining/office supply; $99 annual fee. #13
- atm can earn status points and 100k companion pass; valuable for families. #16, #17
- Splitting mortgage across multiple 123 cards may be needed for large amounts. #41
- Risk of BoA account review/flag for multiple mortgage payments. #44
2. 羊毛/优惠信息
- 123 card: 5.25%-3% = 2.25% effective on mortgage via online category.
- ATOMS: 3x on travel/housing, 1.5% base; Staples purchase earns status & miles.
- ATOMS: 100k companion pass; status point earning possible.
- No specific discount codes or limited-time offers mentioned.
3. 最新动态
4. 争议或不同意见
- 123 card limited by category caps and split-payment complexity; risk flags. #4, #9, #23, #42
- Staples "无损" operation unverified; potential BoA restrictions. #23, #42
- Liquidity/time cost for cashing out is a concern. #22
- Some users find ATOMS + Staples more flexible overall. #9, #39
5. 行动建议
- Use 123 card for high-volume mortgage payments if online category applies.
- Use ATOMS at Staples for steady miles/status; monitor BoA limits.
- Test small split payments to verify BoA tolerance.