He and wife Jo still hadn't decided exactly what their future held.
"We haven't got anything in concrete. We've been talking about different things. I supposed most of what we've been thinking is what happens if the farm doesn't sell?"
In that case it was likely Mr Guy would keep running it for now.
If an offer was accepted, the couple would take a break, maybe have a holiday and take time to think about their future.
And the signs were promising, with high interest in the farm.
"Whether that translated to people putting tenders in is another issue," Mr Guy said.
Scott Guy was shot dead in his driveway up the road in July 2010. Macdonald was acquitted of his murder but was jailed for other offences. He was released earlier this month.
The Guy family farm, off Aorangi Rd, is made up of two properties totaling about 260 hectares. Bryan Guy's parents, Grahame and Winifred, started out about 50 years ago on a 24 hectare section.
He joined a partnership with them for about 25 years, before buying them out at the turn of the century. Over time, the farm grew through acquisitions of surrounding properties.
By 2010, Scott Guy and Macdonald and their wives were shareholders in the Byreburn business and were likely to take it over completely some day.
One of the houses up for sale is formerly occupied by Macdonald. The house along Aorangi Rd that Scott Guy shared with his family was sold previously.
When the family farm was advertised, Bryan Guy said he didn't think the property's provenance would put people off.
"I wouldn't have thought so but it might to some people I guess. We're so used to it that we don't really consider it an issue."
The farm is being marketed by Property Brokers and tenders for both parts, the 204 hectare dairying operation and the 52 hectare run off, were being taken separately.
Promotional material describes the larger portion as a "milk factory". Its production per cow and per hectare is in the top 5 per cent of New Zealand dairy farms.