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Direct business costs (materials, marketplace fees), part of a home office, mileage at IRS rates, and a portion of your phone/internet when used for business. Keep records and consult tax guidance.
Read moreCompare effective hourly rates. If overtime pays 1.5x with no extra overhead, it may beat a low‑margin side hustle. Side hustles shine when scalable, skill‑building, or offering strong margins.
Read moreFor this calculator, we assume annual compounding. This means interest is calculated and added to your balance once per year.
Read moreNo. This calculator shows projections based on the interest rate you enter. Actual returns depend on market conditions and the specific savings vehicle you choose.
Read moreThis tool scans for OWASP Smart Contract Top 10 (2025) vulnerabilities including: access control issues (SC01), reentrancy attacks (SC05), integer overflow/underflow (SC03), unchecked external call...
Read moreNo. This tool provides basic automated vulnerability detection but is NOT a replacement for a professional smart contract audit. It cannot detect complex logic bugs, business logic flaws, or sophis...
Read moreThe OWASP Smart Contract Top 10 is a list of the most critical security risks for blockchain smart contracts, updated in 2025. Access Control Vulnerabilities (SC01) ranks #1, while Reentrancy (SC05...
Read moreA reentrancy attack occurs when a malicious contract calls back into the vulnerable contract before the first function execution completes. The famous DAO hack in 2016 stole $60M+ using this techni...
Read moreNo. Solidity 0.8.0 and later have built-in overflow/underflow protection by default. Arithmetic operations automatically revert on overflow. SafeMath is only needed for Solidity 0.7.x and earlier. ...
Read moreUsing tx.origin for authentication is vulnerable to phishing attacks. If a user calls a malicious contract, that contract can call your contract, and tx.origin will still be the user's address (not...
Read moreThe Checks-Effects-Interactions pattern is a best practice to prevent reentrancy: (1) Checks - validate conditions with require(), (2) Effects - update contract state variables, (3) Interactions - ...
Read moreThe security score is a rough estimate based on detected issues: Critical issues deduct 30 points each, High deduct 15, Medium deduct 8, Low deduct 3. A score of 90+ suggests few issues, but this i...
Read moreTypical APRs range from ~5.5–7.5% for excellent credit, 7.5–10% for good, 10–14% for fair, and 14–18%+ for poor credit. Promo 0% offers can appear near end of season for new models.
Read moreEnd of season (March–April) typically yields 15–25% discounts and the best 0% APR promos as dealers clear inventory. Selection is good, prices are lower.
Read moreCommon terms are 24–72 months. Longer terms reduce monthly payments but increase total interest; shorter terms save on interest but cost more monthly.
Read moreInsurance ($300–$800/yr), registration ($25–$100/yr), trail passes ($35–$150/yr), maintenance ($500–$1,200/yr), fuel ($30–$75 per ride), and storage ($0–$1,200/yr).
Read moreUsed sleds (2–5 years old) often provide the best value with 30–40% depreciation already taken. New sleds may qualify for lower rates and promos but depreciate faster in early years.
Read moreThe best age to claim Social Security depends on your health and financial needs. Claiming at 62 reduces your benefits by 30%, while waiting until Full Retirement Age (66-67) gives you 100%, and de...
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