- “401(k) Plans No Longer Make Much Sense for Savers”：https://www.yahoo.com/news/401-k-plans-no-longer-123003444.html Roth401k應該除外（用現在的rate）或做in plan convert to Roth。
- 529: https://www.savingforcollege.com/intro-to-529s/does-a-529-plan-affect-financial-aid 比較靠譜的功能介紹
- Treasury direct auction results: https://www.treasurydirect.gov/auctions/upcoming/
- The Federal Housing Finance Agency (FHFA) https://www.fhfa.gov/
- https://ctcredit.net/
- lawyer finder https://www.martindale.com/
- Savings calculator: https://www.nerdwallet.com/article/banking/savings-calculator
- Mortgage calculator: https://www.mortgagecalculator.org/
- Mortgage rate: https://www.zillow.com/mortgage-rates/quotes/
- Refinance Mortgage calculator: https://www.zillow.com/mortgage-calculator/refinance-calculator/
- Retirement：https://retirementplans.vanguard.com/VGApp/pe/pubeducation/calculators/RetirementIncomeCalc.jsf
- quick SS estimate https://www.ssa.gov/OACT/quickcalc/
- 2020 & 2021 ：https://www.nerdwallet.com/article/taxes/capital-gains-tax-rates
- title co https://www.firstam.com/
- Blogs: https://scottburns.com/the-n-factor-and-retirement-planning/
- https://dqydj.com/net-worth-by-age-calculator-united-states/
- Tax, cost segregation https://www.vestmap.com/the-huge-value-of-algorithm-based-cost-segregation-studies-for-smaller-rental-properties/
to be continued
