Samples are given away so you can try them - check if they got good taste etc. They are definitely something you could rely on. Also trying to get samples from multiply sources would be a hassle, very time consuming activity. It is better to look for a discount and buy something beneficial.

As Boss Man wrote, get some cardio machine. I work from home as well, but I do take at least one longer break to do workout. I've also changed diet, signed up for swimming pool. The major part is the support of your partner. If your partner could take care of children for a little while and let you ...