HI Marietou, I am late to the post but happy to talk with you by phone if I can help guide. Fantastic that you have secured some development property and I am excited for you to enter into the development process. We are based in Fulton County and have experience with rezoning, variances and permitting in City of Atlanta. We currently are completing the site development of a townhome project and the entitlement of a 72 unit apartment project in south Georgia. If I can be of any help, happy to help.
I think Paul is dead on point and if this is your first such development, you might look at the exit once the property is entitled and you have an LDP. Much of the information asked and answered relates to your project soft costs for design, engineering, architecture and feasibility.
Once you have added value on paper, then putting in the infrastructure and moving dirt is another whole "process." If you haven't developed before, there is a lot to do there which could be a steep learning curve. Development loans are expensive and delays and overruns costly. If you don't have go-to vendors and competitive pricing for the grading and site work, curb and gutter, utilities, paving, wetlands, platting, etc., it could be challenging to take on the site development phase. If thereafter you are looking to go vertical, another level of complexity.
A lot of the unknowns should become clear as you move forward with the initial conceptual part. Once you know what you can build, decide who your buyer is. If there is a ready to go developer to take your entitled development forward, great, it's an option. If your buyer is a builder, get a commitment before you move dirt so you have the exit in hand. Makes raising capital for that phase easier. There are a lot of great insights on this feed. Lots of smart people. Hope something I have shared you might find helpful.