Dont be so cheap, hell I changed my the first 500 miles and the crap that came out was unreal.
There is no such thing as 'break in oil' Years ago, when rings were extremely hard, yes, factories used non-detergent oils to assist break in.
Not so today.
Sand from the cores, machine filings, bearing crap. . You will be surprised at the junk ifyou cut open your oil filter.
Get it done... . NOW!