I suggest not to mess up your own credit and get evicted or unable to lease later.

If you'd like to see what we used, msg me your email and I'll send it along.Some things to consider are not paying until moved out and all keys returned, stating that the property must not be damaged or otherwise change overall condition between signing and vacancy, property must be "broom clean", all possessions left behind are forfeit and will not be held, all tenants regardless of whether they are on the lease must vacate including pets and animals. 

. - Mortgage credit inquiries are not a concern, nor do they have a "hard" impact on your credit.

Luckily for me there was little damage and the guy was not a good pyro.

Couple that with vacancies, late rent, turnover and repairs to apartment damage between tenants. 

We have about 40-50K to invest from our HELOC, Line of Credit and 401K.

How I do it is through selective screening and I have been 100% successful.By instituting certain screening standards it will naturally eliminate the vast majority of non target applicants.For example young couples with children will generally have lower credit scores. 

The criteria when I applied and received mine was some of the same factors as though I was applying for a regular mortgage, DTI, credit score/report, W2, paychecks etc.

Our credit is good (my husbands is 'very good') but with money as tight as it is I don't want to open any new bills.

And require that installation of the washer/dryer is to be done by a licensed and insured professional, and that the tenant will be liable for any damages caused by faulty installation.