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Oil prices remain in charge of the stock market, Jim Cramer told his Mad Money viewers Friday. But that's OK, because it will create some opportunities for this week's trading.

Cramer's game plan began on Saturday, with the Berkshire Hathaway (BRK.B) - Get Reportannual report. Warren Buffet's company holds diversified investments from energy to rails to consumer goods, and his take on the economy is full of important ideas and advice.

On Monday, Cramer is watching Valeant Pharmaceuticals (VRX) , a stock that may come under pressure as activist investor Bill Ackman has to do some forced selling to cover other investments.

Next, on Tuesday, it's Dollar Tree (DLTR) - Get Report and Ross Stores (ROST) - Get Report reporting, and Cramer said these value retailers should have good things to say, which makes them buys on any oil-induced weakness.

Wednesday brings analyst meetings from Target (TGT) - Get Report -- a stock Cramer owns for his charitable trust, Action Alerts PLUS -- as well as Exxon Mobil (XOM) - Get Report and Honeywell (HON) - Get Report . Cramer was bullish on Target, but said both Exxon and Honeywell shares could be under pressure.

Then, on Thursday, it's grocer Kroger (KR) - Get Report , Cramer's self-proclaimed "best of breed," and Broadcom , a stock that is hard to judge given its exposure to Apple (AAPL) - Get Report , another Action Alerts PLUS holding.

Finally, on Friday, it's the most important news of the week, and perhaps the only thing more important to stocks than oil prices -- the non-farm employment report. A good number here will send the markets into a tailspin, but a weak number would send it off to the races, Cramer said.

Alternate Universe

Just because management says it's doing well doesn't make it true, Cramer told viewers, as he reviewed five recent conference calls in which company management seemed to be living in an alternate universe.

First up was railroad car maker Trinity Industries (TRN) - Get Report , which touted its outstanding performance while simultaneously admitting there was no material improvement in the business, which led to significantly lower guidance. Shares of Trinity promptly fell 22%.

Next was Jack in the Box (JACK) - Get Report , an Action Alerts Plus holding, which praised itself for more "crave-able" food but missed on earnings and guidance, sending shares down a quick $13.

Meanwhile, up in the cloud, both LinkedIn (LNKD) and Tableau Software (DATA) - Get Report posted massive disasters this quarter, but still told investors things were never better.

Finally, Cramer called out Kinder Morgan (KMI) - Get Report for being out of touch with reality, saying that when a company screws up, management shouldn't paint rosy pictures and gloss over the issues, it should admit it and apologize.

Time to Run?

With shares of BofI Holdings (BOFI) , the self-proclaimed Bank of Internet, nearly cut in half since its October highs, is it time to invest or run? That was the question Cramer answered for viewers.

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Shares of BofI were up 71% in 2012 and another 182% in 2013 before pausing in 2014, only to resume its upward trajectory until October 2015. Being a virtual bank, BofI was a lean, mean growth machine and was even able to acquire the banking assets of H&R Block (HRB) - Get Report .

But then, on Oct. 13 of last year, allegations were raised that BofI was cutting regulatory corners. That news, although unfounded, has been keeping investors away ever since.

Cramer had a different take, however, saying the bank's solid 2-cent earnings beat in January proves that there is still growth left, and once H&R Block's assets kick in this tax season, growth will be even stronger.

Kudos to Ed Breen

Sometimes, the parts are worth more than the whole, Cramer told viewers, especially if those parts are being managed by DuPont (DD) - Get Report  Chairman and CEO Ed Breen.

Cramer said Breen's proposed merger of DuPont and Dow Chemical (DOW) - Get Report could be a huge win for shareholders. Why? Because Breen did the same thing with Tyco (TYC) a little over a decade ago.

Back in 2002, Breen took the helm of Tyco, a conglomerate much like that of the combined Dow DuPont. Over the course of several years, Breen then sold over 21 business units and split the company into three parts -- twice.

Shares of Tyco traded at $13.51 when Breen took the helm in 2002. Today they trade for $35.41 a share. But after accounting for all of the stock splits and spinoffs, Cramer calculated a overall gain of 1,228% over 14 years. Put another way, a $10,000 investment in Tyco in 2002 would be worth $120,000 today.

Lightning Round

In the Lightning Round, Cramer was bullish on TJX (TJX) - Get Report , Chubb (CB) - Get Report , Whole Foods Markets (WFM) and Ulta Salon (ULTA) - Get Report .

Cramer was bearish on Altria (MO) - Get Report , Ascena Retail (ASNA) - Get Report , Enbridge Energy Partners (EEP) , BB&T Bank (BBT) - Get Report and ConocoPhillips (COP) - Get Report .

No Huddle Offense

In his "No Huddle Offense" segment, Cramer cautioned investors that buying or selling into the frenzy of "whatever's working now," is a fool's game.

He said that after years of declines, the charts look like copper may be bottoming, sending droves of investors to stocks that mine copper, like Freeport-McMoRan (FCX) - Get Report . That's how shares of Freeport were able to pop 4.3% Friday, Cramer noted. The only problem? Freeport is still in big trouble with huge debt loads.

The same applies for oil. Oil goes up and investors flock to the oil stocks. But Cramer said trying to game these quick moves is incredibly dangerous, as your gains can be wiped out by the time you even notice the move.

To watch replays of Cramer's video segments, visit the Mad Money page on CNBC.

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At the time of publication, Cramer's Action Alerts PLUS had a position in AAPL, DOW, JACK and TGT.