Nissan xtrail

I'm really frustrated this is the 3rd week phoning we buy cars and getting no help minde you we have a funeral to plan in the family and I bought a vehicle now I must walk and waist money on uber and airtime to call webuycars wow really I'm disappointed this was my third car at webuycars this time they really let me down all I want is for the vehicle to be sorted out thats all if the is anything help please my number is *** this is frustrating a vehicle not last even 30min not even a day or 2