Here is what i sculpted . I had some resolution problems it went up preety high while adding bark details as you can see in the images . How can i avoid it ?? cause after 1 million vertices sculpting in my laptop becomes very slow . Btw really good tutorial . GLad i saw it. Feedback will be highly appreciated.  

 

Here is 2nd project .  Looking for feedback. 

 

 

How do i prevent this problem .