just put 2 names la.. u n sis 250k each... i dont see any issue in that..

then u work out how you wanna deal with your sis...

you can setup payment for half the installments and ur sis also pay hlf the installments... but u settle with your sis monthly via bank transfer therafter la...

inb4 : wrong time to buy property in a recession... your stocks be worrh half the price by year end or 1/3 the price if worst case depression...