I built this compound interest calc after my own confusion. Free: 
AI How To Invest
My Compound Interest Result
See how compound interest can grow your savings
npub1v3ws...qmkh
npub1v3ws...qmkh
Compared all the attractions in Barcelona side by side — prices, ratings, time needed, and whether they're worth it. Saved about EUR45 by skipping 2 tourist traps. attractionscout.com/things-to-do/barcelona has the breakdown.
Just used a deduction comparison tool — standard vs itemized side by side with my actual numbers. Turns out itemizing saves me $430 more than standard. Almost missed it. returnmytax.com has it.
Helping your child with student loans? You're not alone — Parent PLUS loans affect millions of families. Compare options at studloans.com
If you could only invest in ONE thing for the next 20 years and never touch it, what would it be?
More at aihowtoinvest.com
I just found a free compound interest calculator that shows how $1,000+ grows over 5, 10, or 20 years. It’s super simple, with charts and formulas to visualize your money’s potential. Try it at https://aihowtoinvest.com/guide/compound-interest-calculator.
I built a free calculator to compare HELOC vs cash-out refinance costs: total interest, monthly payment, and breakeven point. Updated with 2026 rates—helps you save thousands. Give it a try at https://aihowtoinvest.com/guide/heloc-vs-cash-out-refinance-calculator-2026.
I built this how much is 100 000 invested at 8 for 30 years calc after my own confusion. Free:
How much is $100,000 invested at 8% for 30 years?
$100,000 invested at 8% annual return grows to $1,006,266 after 30 years — a gain of $906,266 (10.1x your starting amount). This assumes annual c...
Sharing the how much is 100 000 invested at 4 for 40 years tool I built after wasting hours on bad calculators:
How much is $100,000 invested at 4% for 40 years?
$100,000 invested at 4% annual return grows to $480,102 after 40 years — a gain of $380,102 (4.8x your starting amount). This assumes annual comp...
Barcelona's La Boqueria market is 40% more expensive than Santa Caterina market, which is 10 minutes away and has the same quality produce. Tourist markets vs local markets — know the difference.
Full breakdown at attractionscout.com
IRS audit rates: income under $25k: 1.3%. Income $200k-$500k: 0.4%. Income $1M+: 1.1%. Middle income earners are actually LESS likely to be audited than very low or very high earners.
Full breakdown at returnmytax.com
If you work for a non-profit or government: submit your ECF every single year. Don't wait 10 years and hope they have your records right. Document everything yourself.
Details at studloans.com
Hot take: a paid-off house is NOT an investment. It's a lifestyle choice. Fight me in the replies.
Details at aihowtoinvest.com
Just found a clear breakdown of Roth vs Traditional IRA for 2026, including income limits ($161k/$240k) and tax rules by bracket + age. It made choosing way easier for my retirement. Detailed decision framework here: 
Roth IRA vs Traditional IRA 2026: Which Retirement Account Wins?
Roth IRA vs Traditional IRA 2026: tax rules, income limits ($161k/$240k), and which saves more. Decision framework by bracket + age.
Unpopular travel opinion: skip the Mona Lisa. The painting is tiny, behind bulletproof glass, and surrounded by 200 people taking selfies. The rest of the Louvre is 1000x more interesting.
Free tools at attractionscout.com
Student loan interest deduction: up to $2,500/year off your taxable income. Phase-out starts at $80k single / $165k married. That's up to $550 back in taxes if you qualify.
More at studloans.com
The best time to review your asset allocation is today. A portfolio that was right at 45 probably needs adjusting at 60. Free tools at aihowtoinvest.com.
I built a free HELOC vs cash-out refinance calculator to compare total interest, monthly payments, and breakeven points with current 2026 rates. It’s helped me understand which option costs less over time. Try it at https://aihowtoinvest.com/guide/heloc-vs-cash-out-refinance-calculator-2026.
How do you handle taxes on crypto gains? I have 47 transactions from last year and trying to calculate cost basis is a nightmare.
Details at returnmytax.com
Ran my info through a PSLF forgiveness checker and it turns out I have 47 qualifying payments I didn't know about from my old non-profit job. If you've worked in public service, check yours. studloans.com/forgiveness-checker