First Issue
Hand-1 my hand for MP
3♥ is a forcing bid? 3♠ has to say lie?
Second Issue
Hand-2 Gib hand
How to upgrade to 22-24TPs?
Third Issue
Hand-3
After North's first double, Gib E surprisedly passes, never make a support redouble at once, why don't follow its CC?
Fourth Issue
Hand-4
1)- Rebid-2♦ is asking for itself trouble, a wasted auction.
2)- 2♦ says " 4+♦,6-10TPs", it would say it is usually not possible in such situation.