Any idea's on building cheap stairs with a handrails for a mobile home

Try Home Depot in building supplies for stair forms which perhaps could have cement block support.

Check out the culled lumber in the home improvement stores around. It will be discounted 50-75%. We got lumber for a beautiful redwood deck this way.

Home Improvement stores often carry the kits for a small landing and steps and haind rails for mobile homes. Home Depot has some or did

You could consider making the steps out of concrete blocks and pallet wood