Bhakti-yoga.

To get to the point of Bhakti-yoga you work. {karma-yoga} then later {much later} Karma is washed away. This path is recommended to all who work. Work without devotion is nothing. A person in factory working for his family, and another person doing same but also for satisfaction of Vishnu. Prabhupada mentions that this art must be learned.

From your Gurudeva. Laskmi is Lord Vishnu consort. Using this for Vishnu {the laskmi} pleases Vishnu. A normal family man may not do this.

Bg.2.39 Purport {extract}

There is much difference between work in Kåñëa consciousness and work for fruitive results, especially in the matter of sense gratification for achieving results in terms of family or material happiness. Buddhi-yoga is therefore the transcendental quality of the work that we perform.
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Read the full purport again to that verse. From www.vedabase.net

It says Buddhi yoga or Karma-yoga is same as Bhakti-yoga. Work in devotion. Hope that helps.

jai sri NITAI jai prabhupada