What should I use 'with your hand' or 'by your hand'?

[Twilit1988]

1 : "Press your forehead yourself"

2 : "Press your forehead by your right hand" OR "Press your forehead with your right hand"?

3 : "I'm going to buy white colour tiles from a tiles shop" correct?

4 : "Make at least one post on my forum" correct?

5 : "I'm already chatting fast with you" OR "I'm already chatting with you fast"

6 : "Search it in google" correct?

7 : "He sent me to his home" correct? OR "He sent me his home"?

8 : "Can I use 'occasionally' instead of 'sometimes' like "I phone her occasionally, I go there ocasionally"

9 : "He promised me rashly" correct?

10 : "Don't do anything rashly" AND "You sometimes do rash things" correc?

11 : "Try to become a frequent visitor or at least an occasion visitor to the forum" correct?
Thanks in advance

[Cerberus™]

[Twilit1988]

Thanks! Cerberus™:)