I did not read all post of this thread. Though i am willing to share some thoughts.
1.Observing the status of a person for hand reading cannot make palmistry "scientific". Though it is required some times.
2. Usually rich man will have soft and purple color palm with clear lines. There will be no confusion among lines. Usually 4 lines/ less lines are found
3. Some peoples may have long fate line. but they will have poor income. This has to be ruled out through reading end portion of fate line. Incase if a long fate line terminate between index and saturn finger Or sun and saturn finger, that will cause paucity of income. (deficiency of income)
4. sun line or fate line in elemantary hand results the labour work of lay man. How sweet and easy points!
5. Boxes/sqaure between forked end of life line(near wrist side) indicates inheritance. Break in life line in the same case indicates selling of such properity at that time.(timing of selling must be done either through downward branch of life line or defective period of fate line in this case)
6.Square/boxes in the sun mount indicates owning properity. "More boxes, more properity indicated"
7. Long marriage line terminates at sun mount indicate wealthy and learned spouse.
8. Line from moon adjoing with fate line indicates getting properity from spouse.
More to be learnt from the following link
All credits goes to: Kamala maa muni ( Great sage , His sculpture/ shrine could be noticed in some temples of tamilnadu)