Good noon guys, need recomendation/advise - size & color suitable for the below area.. Im budget type, cheap & economical will do. design nevermind..

store room (3x12 feet) -
car porch (15x15 feet) -
area beside the longkang (about 2x40 feet) -

How they calculate the Labour/workmanship cost ?
Is it cheaper if I buy cement & sand & pay workmanship ?
PJ area which shop sell cheap tiles ?

thanks