can i buy a house if i have 5000down plus g.i.home loan certi.Worth 100,000 but i also have bad credit though?

the 100,000$ is a backing by the government in case i daffault on the lone i got that from the service

Probably not.

You don't give enough information.

How much is the home selling for?

What is it worth?

For credit, how bad is bad?

What is your income and your current debt to income ratio?