Zerotohundred

planning 2 bolt on turbo for my little 1nzfe ~ but really really noob in this.. hope can get advice from sifu around here ^_^ here i got few question

1 how much does it cost ? i mean as low as possible price XD
2 wat boost are most recommand for vios ? 0.5 ? 1.0 ? for safety range..
3 took how long 2 install for all ?
4 donno at bintulu where can recommand 2 install ?
5 will it damage our engine if low boost ?
6 possible can get 7sec 2 hunderd ?? now my current...