Equipment bought on Facebook market place

Hi

As i have just started my business I have bought a lot of equipment (mowers, blowers, trimmers, edgers, gas tanks) from facebook market place with no actual proof of purchase. I have a spreadsheet and tracked all the payments and brand names dates of purchase. Can i still enter these into qb online as equipment Assets as they all work and are used to carry out the work on daily basis? Would I enter it through Journal Entries?

I'm Florida Based