Author: PK

PK started DQYDJ in 2009 to research and discuss finance and investing and help answer financial questions. He's expanded DQYDJ to build visualizations, calculators, and interactive tools. PK lives in New Hampshire with his wife, kids, and dog.
How to Be Successful... The Three Rules for Financial Success

On Personal Finance sites, we tend to get bogged down in the details of the drive for financial independence. We do the boring stuff most people don't bother doing - reading account agreements, pouring through investing prospect, and strategizing the best combination of credit cards needed to get the most cash back on certain purchases. Worthy undertakings all, yet sometimes we overcomplicate a simple matter - there is a very basic equation to success.

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The Curiously Large Mortgage Spread of the Moment

Last week, my colleague Cameron gave you this nice primer on the mortgage interest deduction and who it really benefits. Today, we're going to take this topic one step further (on the sell-side) and discuss government intervention in the mortgage market.

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The DQYDJ Weekender (Week of 6/11/12)

Another summer day! From us here at DQYDJ, congratulations to those graduating today. To those of you preparing to take the Bar - well, you shouldn't be reading non-law related web sites right now. Go back to what you were doing (studying or drinking coffee, I assume).

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Have You Ever Been Dropped By a Company?

As a genre of web sites, Personal Finance sites spend lots of time discussing and reviewing the best companies to enter into contracts with, and the best companies to do business with. There is also no shortage of reviews on companies which don't live up to those same standards. One thing we don't tend to touch? Companies which don't want to do business with us.

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The DQYDJ Weekender (Week of 5/4/12)

Isn't summer great? No school buses and soccer practices to disrupt your commute, a lack of pollen, and great reading on Don't Quit Your Day Job?

That happens all year, you say? Thanks for the compliment!

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Things That Don't Matter: Congressional Approval Polls

If there is anything in politics sillier than Congressional Job Approval polls, I've yet to find it - yet here I am writing about it. Ostensibly, these polls are set up to gauge the public's trust in Congress - to get an idea about the public mood regarding our elected leaders.

In reality, the entire setup of the poll is a sham. Here's the thing - unlike the President, the average voter cannot vote out the average Congressman (or woman). The truth is, Congress is set up in the way that it is strictly to avoid the public's mood from tearing the House and Senate apart.

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Kelly Criterion Bet Calculator: Optimizing Bet Sizes

Remember a few weeks back when we discussed stock market investing using the Kelly Criterion to determine asset allocations? Today we're going to go in a different direction and use Kelly for what it was intended - betting!

The Kelly Criterion is a formula you can use to determine the proper size of a bet when there are known odds and a definite payout. With a little hand waving and some basic math (as I proved a few weeks back), you can also use it to help guide your investment decisions - namely when determining the size of a position you should take. Let's hop into some calculators.

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The DQYDJ Weekender (Week of 5/28/12)

Happy summer folks! It's time to avoid basking in the harsh light of your computer monitor and absorb some vitamin D... at least part of the day! Thanks for spending your morning reading another edition of the Weekender!

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Do You Say Anything When You See People Spending Foolishly?

Today, let's focus our attention outward, instead of on our 'personal' personal finance issues issues... let's talk about the finances of our friends and family! DQYDJ is normally a Personal Finance site but today our focus is on Extrapersonal Finance, namely, how you dole out advice to friends and acquaintances who make poor financial decisions.

Today, let's focus our attention outward, instead of on our personal issues... let's get Biblical and talk about the finances of our friends and family! DQYDJ is normally a Personal Finance site but today our focus is on Extrapersonal Finance, namely, how you dole out advice to friends and acquaintances who make poor financial decisions.

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The DQYDJ Weekender (Week of 5/21/12)

Happy Memorial Day Weekend, everyone! Remember what it's all about when you fire up your grills and open your pools today, tomorrow, and Monday.

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Don't Quit Your Day Job...

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