The Only Financial Plan That Survives Contact With Real Life

Most financial plans are written for a person who doesn't exist: someone who never panics during a downturn, never gets distracted for eighteen months, never has a year where the raise doesn't come, and never once opens the investing app at exactly the wrong moment. That person would do fine with almost any plan. You are not that person, and neither am I, and a plan that only survives contact with an idealised version of you isn't really a plan.

This is the long version of everything else on this blog, put together into one place.

Start with the number that erodes everything else

Before any plan makes sense, it has to survive inflation, because inflation is the one force acting on your money whether or not you're paying attention to it. A return that looks impressive in nominal terms can still be a real loss once you account for what your money will actually buy by the time you need it.

⇡Try the inflation calculatorWhat today's cost will be in the future.

This isn't a reason to panic. It's a reason to stop evaluating returns in isolation and start asking the only question that actually matters: is this beating inflation by enough to justify the risk I'm taking to get it?

Then make the discipline automatic, not aspirational

The single biggest determinant of whether a plan survives real life isn't the return assumption — it's whether the contributions keep happening when life gets in the way. A SIP that requires you to remember, decide, and confirm every month is competing with every other decision you have to make that month. A SIP that's a standing instruction isn't competing with anything. It just happens.

↗Try the sip calculatorWhat a monthly SIP could grow into.

And because your income isn't flat over a decade, the plan shouldn't be either. A step-up SIP tied to your typical raise keeps your investing proportional to what you earn, instead of anchored to a number you picked years ago when you earned less.

⇈Try the step-up sip calculatorRaise your SIP every year and see the difference.

Decide what "safe" money is for, separately from "growing" money

Some of your money needs to be somewhere it can't fall, on a timeline you can name — an emergency fund, a goal that's a year or two out. That money should be boring, liquid, and protected. Some of your money is for goals a decade or more away, and treating it with the same "never fall" logic as your emergency fund quietly costs you the compounding you needed it to do. Tax-advantaged instruments under provisions like Section 80C exist precisely because long-horizon savings and short-horizon safety aren't the same problem and shouldn't be solved with the same tool.

What happens when a lumpsum arrives

Not every plan is a clean, steady monthly story. Bonuses, inheritances, and matured deposits arrive as single events, and how you handle that single event matters. There's no universal right answer here — only an honest one: how much would it actually hurt to see that amount drop 15% the week after you invested it, and is spreading the entry out worth the certain cost of leaving it uninvested in the meantime?

●Try the lumpsum calculatorGrowth of a one-time investment.

The plan that actually survives

None of these pieces — the inflation math, the automated SIP, the step-up, the separation of safe money from growing money, the honest handling of lumpsums — is complicated on its own. What makes a plan survive real life isn't any single clever decision. It's removing as many recurring decisions as possible from moments when you're least equipped to make them well, and being honest, in advance, about which risks you're actually choosing to take.

That's the whole plan. Everything else on this site is just one more piece of it, explained in more detail.