Jim Cramer likes Apple (AAPL)  -- but not at current prices. And while Facebook (FB) and Alphabet (GOOG) , (GOOGL)  are his top picks among techs, he says the best way to build positions in those two high-priced stocks is to slowly buy on dips.

"Facebook and Alphabet -- those are the two to buy on the next big decline," Cramer said in an exclusive call this week with members of his Action Alerts PLUS club for investors. "It's why we rate them as 'Ones,' [which] means that they are fine to buy right here -- but even better into any dip."

Cramer, whose charitable trust owns both names, recommends buying 25% of your desired position if time Facebook or Alphabet pull back 8% to 10% from their highs.

As for Apple, which the charitable trust also owns, Cramer said that "I think we're headed into an Apple phone cycle, where there will be many downgrades. ... So, I'm not as anxious to scoop some up at these levels."

Alphabet shares fell 0.2% to $958 in after-market trading on Friday. Apple was down 1.4% to $142.33, and Facebook rose 0.5% to $150.60.

Want to join in on Jim's monthly conference calls? Click here for a free 14-day trial subscription to Action Alerts PLUS and hear all of the latest call, plus get e-mails before Jim makes any trade and enjoy lots of other exclusive material.

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Employees of TheStreet are restricted from trading individual securities. Action Alerts PLUS, which Cramer co-manages as a charitable trust, is long AAPL, GOOGL and FB.

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