An Estimate of Costs
Time and effort are the primary cost in this kind of endeavour. There are obviously other costs involved but I am not dealing with setting out a list of things you must have before you start. I am suggesting that all things are possible to start right now, with the resources you have available.
Health and safety alone dictates a certain level of expenditure but these are dependent upon the level of activity you engage in. Training with a sword requires the purchase of a sword at the very minimum, but going beyond solo drills to more complex partnered drills, sparring or tournaments requires a number of items for the safety and protection of all involved. If you are able to spar then you need a great deal of equipment to remain safe. If you are practising solo drills then the expenditure is less.
Loose fitting clothing for training that absorbs sweat and covers the body. Track suit trousers, loose fitting jumper, flat boxing shoes or trainers. In the early stages any clothing that is comfortable to train in would be acceptable.
Solo Techniques and Drills
A waster or practice sword. This will allow for basic drills, pell work, and technique. This can be wooden, plastic or steel and range from £50 to £350 (and beyond) which covers a range between standard wooden longsword and Albion steel longsword. The closer the practice sword matches the real steel the more accurate the training will be but in many cases the wooden ‘waster’ can be both effective and preferred.
Gloves. It would be advisable at some point to obtain protective gloves for sparring or competition but that may be much further down the line. In the short term gloves are an option but I would also advise getting used to wearing gloves during training.
The same could be said for the other forms of protective equipment, especially masks, but that would extend to the full kit of mask, padded clothing, elbow pads, knee pads, shin pads, etc. it would still need to match the type of activity you are pursuing.
Tutors or classes
There will come a point where some form of tutelage is required. This might be very early on or a lot later, but the solo practice cannot last forever in seriousness. I would consider what one is willing to pay for a range of classes and ask whether that is an acceptable amount for a short and intense version. If you had a perfect sword school next door to you and were thinking of attending you would need to make sure that you had the time and commitment, as well as the cost of being there. Whatever you would find acceptable to pay should be put aside and saved towards hiring a tutor that could visit. There is always a way forwards. Think for the long term and prepare for success in every way.