From tech giants like Facebook, Dropbox, and Instagram, to retailers like Harry’s, Warby Parker, and CartFresh, companies who found success as startups seem to be all the rage in business news. But don’t take startups as a business fad — there are plenty of personal finances lessons that the average Jane and Joe can learn from them.

1. Focusing on too many things can kill your finances

Spreading your financial goals too thin can often do more harm than good. Successful startup founders often find that a service that does one thing really well works better than a service that tries to do many things.

Venture capitalist and PayPal co-founder Peter Thiel advises all budding entrepreneurs to think hard and pursue a single idea that nobody else is doing. In an article for The Wall Street Journal, Thiel asked entrepreneurs, “What valuable company is nobody building?” The answer to this question is harder than it looks.

Personal finance lesson

Keep things simple. Focus on the biggest issue affecting your finances. For example, hone in on paying back a 401(k) loan or eliminating high-interest credit card debt.

2. Forgetting that cash is still king

Startups famously burn through cash for “growth,” believing they will land yet another round of capital the next time around. That plan cannot only backfire, but become the death sentence of some startups. An example of this is server chip designer Calxeda. Despite raising $131 million in four rounds of financing, executives had to shut down operations in 2013 and declared, “We simply ran out of money.”

Personal finance lesson

Plan ahead and be ready for periods in which you won’t get a constant paycheck. Even when receiving payment from your employer, sometimes paychecks can bounce! Pay yourself first out of every paycheck and build an emergency fund to…