The U-Haul pricing for these trailers is advertised as $14.95. However, this is only for local moves and the smallest trailers they provide. Like their truck rental, you can expect other fees added to your bill
If your computer isn't fit for the upgrade, that doesn't mean you're out of luck, or you should just stick with Windows XP. You could roll the dice by securing your Windows XP install as much as possible, or you could try to upgrade anyway. A RAM upgrade or an SSD can go a lo...