Well brthr....i feel tht if one trusts, obeys, n follows da guidance n commands of Allah n His Messenger(saws), one can assured of never ever being misled, but if one believes, obeys n follows any othr guidance, othr than tht of Allah n His Messenger (Saws), one can b assured of being led astray.
Do whtever is in ur power n control to avoid loans from bank on basis of int ..u can take help from shariah-compliant Islamic banks or financial institutions etc.....inshallah Allah wil definetly help u if ur intentions r true n sincere 2wrds Allah
Where There's A Will, There's A Way :)