Skip to content
  • Home
  • Home & Living
  • Money
  • Tech
  • About

Theo Marlow

Theo Marlow is the editor of Side Margin, a site that answers practical questions about money, home, and tech with sourced, plain-English guides. Every article is researched with AI tools, then read, edited, and fact-checked by a human before it is published.

Gym Equipment Hygiene: What Actually Kills What

September 19, 2026 by Theo Marlow
Gym equipment hygiene: contact time is what makes a disinfectant wipe work

Alcohol wipes do not kill norovirus. What survives on shared equipment, which EPA lists matter, and the two step rule that makes cleaning work.

Categories Health & Wellbeing

How to Lower Car Insurance in a Falling Market

September 19, 2026 by Theo Marlow
How to lower car insurance: shopping around beats every discount combined

Car insurance prices fell 5.1% in the year to August 2026 after rising 57%. Shopping beats every discount. The levers ranked by what they are worth.

Categories Money

Why Is Nike Stock Down 80%? What It Means for You

September 19, 2026September 19, 2026 by Theo Marlow
Why is Nike stock down: market value fell from above $260bn to about $53bn

Nike closed at a 52 week low and leaves the S&P 100 on 21 September. The numbers behind the fall, who took the share, and what it means if you buy sneakers.

Categories Money

Is Dental Insurance Worth It? The Honest Arithmetic

September 18, 2026 by Theo Marlow
Is dental insurance worth it: only 2.9% of members hit the annual maximum

Only 2.9% of people ever reach their annual maximum, which changes the whole question. How to run the numbers for your own situation.

Categories Money

How to Dispute a Medical Bill: The 240 Day Rule

September 18, 2026September 17, 2026 by Theo Marlow
How to dispute a medical bill: start by requesting the itemised bill

Nonprofit hospitals must check you for financial assistance before reporting you to a credit bureau. The deadlines and where your leverage is.

Categories Money

HYROX Beijing: What Changed and What Comes Next

September 18, 2026September 17, 2026 by Theo Marlow
HYROX Beijing rule change: Section 12.3 was added three days after the race

HYROX rewrote its rulebook three days after Beijing. What the rules said, what they say now, and what the public health risk actually was.

Categories News Explained

Medicare Open Enrollment 2027: What Each Window Actually Lets You Change

September 17, 2026 by Theo Marlow
Medicare open enrollment windows for 2027 and what each one allows you to change

Medicare open enrollment runs 15 October to 7 December 2026. The January window allows one change and only for Advantage members, and Medigap has no open enrollment at all.

Categories Money

Medicare Part D Plans for 2027: The Deductible Is $700 and the Subsidy Holding Premiums Down Just Ended

September 16, 2026 by Theo Marlow
Medicare Part D plans for 2027, showing the deductible rising to $700 and the out-of-pocket threshold to $2,400

The 2027 Medicare Part D deductible is $700 and the out-of-pocket cap is $2,400. The premium stabilisation demonstration ends in December, and the late enrolment penalty rises on its own.

Categories Money

Obamacare Income Limits for 2027, and the Repayment Rule That Changed Last July

September 15, 2026September 15, 2026 by Theo Marlow
Obamacare income limits for 2027 showing the 400% cliff at $63,840 for one person and $132,000 for four

The 2027 cliff is $63,840 for one person. And since July 2025 there is no cap on repaying excess subsidy at any income level.

Categories Money

2027 Tax Brackets: The Projections, and Why This Year They Are Shakier Than Usual

September 15, 2026September 14, 2026 by Theo Marlow
2027 tax brackets projected with a 3.2% inflation adjustment and a $33,200 standard deduction

Full projected brackets and standard deduction, why the October 2025 CPI gap matters, and the comparison-year error being copied everywhere.

Categories Money
Older posts
Newer posts
← Previous Page1 … Page3 Page4 Page5 … Page7 Next →
  • Privacy Policy
  • About Side Margin
  • Contact
  • Terms of Use
© 2026 • Built with GeneratePress