turkish residency permits.

Hi,
Miss Tamina and others
First i really thank and appreciate your helpful discussion for  people like me regarding turkish residency permits.
I really need some further help from you.
my name is sarakaev from russia(checheniya)me my wife and 5 kids age from 6-18 living in Dubai(UAE)from the last 18 years.But after reccision worldwide our business almost collapsed i used to deal in ladies fashion garments and most of my clients were russians who dont vist dubai any more for wholesale buying.so now its very difficult for us to cover our big family expenses.
after reading your posts it looks like you people are kind and helpful (1) please can you help me find a residency permit for  low price and easy for me and my family 2)regarding schooling(english speaking) for my kids how much it costs yearly for all five from kg2 to grade 12 if you have any idea.
(3)3 bedroom furnished appartment in istanbul near city centre area?(4)grocery expenses monthly?(5)how can get license to start business setup for garments and cost of license?
will wait for your reply
Thanks in advance
Sarakaev Umar