You can possibly charge $100+ a month more with the 3 appliances.
You can offer any prospective tenants the option, with or without.
If you get a 1yr lease at $100 a month more, collecting $1200 goes a long way towards buying these 3 items new.
Depending on the area & type of tenant you attract, many renters do not own these 3 items.
Knowing that you have these in good working order can be much safer than what a tenant might have.
If what the tenant has leaks or busts, they can cause a lot of damage, far more than what you have as a security deposit.