Unknown texting mesage from this #

this number answered a craigs list add for a boat motor, im in florida the number shows up as boise, id.  wants to send me a check and have me ship motor.  No problem with price, has bank check ready,blah blah blah heard all that before.  usually need to send a company check for more than needed then you send one back for balance, eventually the bank check is discovered to be fake.