Walmart has a web page totally devoted to the various KETO diets. Click on the picture below to get to it and see what they’re offering!
Walmart’s pricing is always good, and they offer next day delivery for $5.99, or free delivery for orders $35 and over. Given their selection, you should easily be able to meet that minimum! I’d also look at their exercise selections (click on the picture below):
Many items ship free in this department, and good exercise bikes can be had for less than $199.