There is a wide array of dogs out there in terms of their respective sizes and shapes. Having to be responsible of a much bigger dog may have you realize the differences than having to take care of that of a toy dog in the process. The question here is, how big is the difference you are looking at? Are you entitled to have more of an obligation in bigger dogs? Are advantages really that prevalent compared to having smaller dogs in the process?
When it comes to the diet, larger dogs would require to have much bigger portions and different nutrients as well. Intake of protein should be prevalent, especially when the hound is in the condition of growing up. You would have to invest in a lot more resources in this matter. Take into consideration the bigger portions necessary for the hound, you would practically need a truck load of dog foods in the eventual matter.
Of course, there are other aspects that come into play. Did you know that larger dogs are much prone to having allergies to a number of foods? In this case, you would be obliged to buy a hypoallergenic dog food, which could have you cost a lot more than what you have bargained for. Once your large hound would reach the peak of adulthood, then you may have to consider investing in with a raised dog bowl. By doing so, you would be decreasing the chances of having your dog be uncomfortable with their eating position. If they are convenient with their eating habits, then you are providing some less complications on their behalf.
If you have a bigger dog, then they may need to exercise more compared to those toy dogs. One of the most primitive and effective way of keeping them fit is to play games with them, and have them walked or ran around outside. Although, you as the owner may struggle a little bit as huge dogs would usually require a lot of strength from you to hold them back. So, better think about having that big dog harness of yours, as that may be quite important until the dog would already be trained with having them control their own actions at your own behest.
One proven advantage of larger dogs is that they are easier to instruct and train. This largely implies to their need to always have some physical activity attributed to them in the first place. Bigger dogs are also not that sensitive and much calmer than those smaller ones, which could be advantageous of you of not having to always go play with them anywhere they would like.