New Delhi, June 12 -- As inflationary pressure eases and domestic investment regains traction, it is prudent to revisit five 'rules of thumb' reiterated by finance professionals to facilitate efficient financial planning. From estimating investment, growth to managing debt, these simple guidelines are proving invaluable.

The 'Rule of 72' provides a quick way to analyse and estimate how long an investment will take on an approximate basis to double in value. For the same you should just divide 72 by the annual return rate.

For example, at 8% annual return your money will double in roughly nine years. Now, in a post inflation world, nations CPI inflation hovered around 3-3.2% in April 2025. This rule can help investors understand and gaug...