I'm the type to....

Sure. There are umpteen variations to Kraft Dinner! 

I am the type who likes to jump right in the pool.

Not me

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I'm the type that checks my written text  a couple of times before posting it on the feeds 

me too

i'm the type to overthink

Neither, really.  Also both - depends on the importance.

I'm the type who should probably see the dentist more often.

Me too.

I'm the type who likes to stay in bed all day, rather than going out.

not me

i’m the type that takes hours searching if i should buy certain products before deciding to buy it when i online shop

me too

I'm the type who starts imagining things very far and think that's what's gonna happen