It really depends on where you want to rent your home. I found a really good website that has a list of the us states and all the houses available to rent. Its all for seniors. http://www.findhomerentals.com/
Assuming you mean vacation rentals and not full-time-occupancy rentals, you can find some here: http://www.vacationrentals.com/vacation-rentals/Key-West-Florida.html
Contact your local housing agencies in Littleton, Colorado to establish information about house rentals. There are various agencies available to help you find what you are looking for.
I would start by using those keywords specifically. "Beach house rentals." You could also try renting a house at the beach, beach rentals, house rentals, oceanside rentals.
Vacation rentals is offering beach house rentals for around $1,000 with their current deals.
The business that has the cheapest Maui vacation house rentals hands down would have to be VRBO house rentals. They have many beautiful homes at a reasonable price.
There are a lot of house rentals in perth which offers rental services for houses or apartments etc.
There are many long or short term rental locations available throughout the state of Florida. For more information online you can visit such websites as www.rentals.com/Florida/ or www.vacationrentals.com/vacation-rentals/Florida.html
mom lives with daugther but would like grant to help with in house day care
Someone can find house rentals in Italy at Homeaway. You can book a hotel from France, Italy, Germany and just about anywhere. This is the best place to find home rentals in Italy.
If you have a local senior publication I would advertise in that.
Many websites are available that offer rental properties in Hampshire. RentalHomesPlus has a solid reputation and includes listings for houses, townhouses, and condos.
Assuming you mean house or apartment rentals, here's a site where you can start: http://cohoes.ny.house.info/